migrate content to format for new docs site

Squashed commit of the following:

commit fcf35eb806100de300bd9803ce3150dde1ecc424
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 17 17:16:04 2019 -0300

    remove all docsite dependency

commit eeaee9a9d43d70704f6ab17b5126ddbd52b93a50
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 17 17:15:23 2019 -0300

    update solidity-docgen

commit f021ff951829ea0c155186749819403c6b76e803
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 17 17:05:06 2019 -0300

    update docsite script for new setup

commit ff887699d381cfbbe3acf1f1c0de8e22b58480f3
Merge: c938aa1d 84f85a41
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 17 16:46:46 2019 -0300

    Merge branch 'master' into antora

commit c938aa1d9ed05ac83a34e2cebd8353f8331ad6d6
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Tue Jul 16 18:24:29 2019 -0300

    make component name shorter

commit 5bbd6931e02cbbd8864c82655ad0f390ceead5f3
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 10 20:16:17 2019 -0300

    add all info to docs templates

commit 39682c4515d7cf0f0368ed557f50d2709174208a
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 10 20:13:49 2019 -0300

    fix npm docsite script

commit 7ae46bd4a0437abf66150d54d05adf46e3de2cab
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 10 18:48:05 2019 -0300

    convert inline docs to asciidoc

commit cfdfd3dee4b4bf582fde22c8cb6e17a603d6e0c8
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 10 17:34:52 2019 -0300

    add missing contract names in readmes

commit 15b6a2f9bfb546cf1d3bf4f104278b118bf1b3f4
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 10 17:16:47 2019 -0300

    fix script path

commit 80d82b909f9460d1450d401f00b3f309da506b29
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 10 17:13:53 2019 -0300

    update version of solidity-docgen

commit a870b6c607b9c2d0012f8a60a4ed1a1c8b7e8ebd
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 10 17:03:53 2019 -0300

    add nav generation of api ref

commit 069cff4a25b83752650b54b86d85608c2f547e5e
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Wed Jul 10 16:32:14 2019 -0300

    initial migration to asciidoc and new docgen version

commit 55216eed0a6551da913c8d1da4b2a0d0d3faa1a8
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Tue Jun 25 20:39:35 2019 -0300

    add basic api doc example

commit 0cbe50ce2173b6d1d9a698329d91220f58822a53
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Tue Jun 25 19:31:31 2019 -0300

    add sidebars

commit 256fc942845307258ac9dc25aace48117fa10f79
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Tue Jun 25 15:22:38 2019 -0300

    add page titles

commit f4d0effa70e1fc0662729863e8ee72a8821bc458
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Tue Jun 25 15:19:41 2019 -0300

    add contracts index file

commit b73b06359979f7d933df7f2b283c50cb1c31b2a0
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Tue Jun 25 15:14:52 2019 -0300

    fix header levels

commit fb57d9b820f09a1b7c04eed1a205be0e45866cac
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Tue Jun 25 15:11:47 2019 -0300

    switch format to preferred asciidoctor format

commit 032181d8804137332c71534753929d080a31a71f
Author: Francisco Giordano <frangio.1@gmail.com>
Date:   Tue Jun 25 15:05:38 2019 -0300

    initialize antora component and convert docs to asciidoc

contracts/payment/PaymentSplitter.sol

@@ -12,7 +12,7 @@ import "../math/SafeMath.sol";
  * an amount proportional to the percentage of total shares they were assigned.
  *
  * `PaymentSplitter` follows a _pull payment_ model. This means that payments are not automatically forwarded to the
- * accounts but kept in this contract, and the actual transfer is triggered as a separate step by calling the `release`
+ * accounts but kept in this contract, and the actual transfer is triggered as a separate step by calling the {release}
  * function.
  */
 contract PaymentSplitter {
@@ -47,13 +47,13 @@ contract PaymentSplitter {
     }
 
     /**
-     * @dev The Ether received will be logged with `PaymentReceived` events. Note that these events are not fully
+     * @dev The Ether received will be logged with {PaymentReceived} events. Note that these events are not fully
      * reliable: it's possible for a contract to receive Ether without triggering this function. This only affects the
      * reliability of the events, and not the actual splitting of Ether.
      *
-     * To learn more about this see the Solidity documentation for [fallback functions].
-     *
-     * [fallback functions]: https://solidity.readthedocs.io/en/latest/contracts.html#fallback-function
+     * To learn more about this see the Solidity documentation for
+     * https://solidity.readthedocs.io/en/latest/contracts.html#fallback-function[fallback
+     * functions].
      */
     function () external payable {
         emit PaymentReceived(msg.sender, msg.value);

contracts/payment/PullPayment.sol

@@ -5,7 +5,7 @@ import "./escrow/Escrow.sol";
 /**
  * @title PullPayment
  * @dev Base contract supporting async send for pull payments. Inherit from this
- * contract and use _asyncTransfer instead of send or transfer.
+ * contract and use {_asyncTransfer} instead of send or transfer.
  */
 contract PullPayment {
     Escrow private _escrow;

contracts/payment/README.adoc

@@ -0,0 +1,17 @@
+= Payment
+
+NOTE: This page is incomplete. We're working to improve it for the next release. Stay tuned!
+
+== Utilities
+
+{{PaymentSplitter}}
+
+{{PullPayment}}
+
+== Escrow
+
+{{Escrow}}
+
+{{ConditionalEscrow}}
+
+{{RefundEscrow}}

contracts/payment/README.md

@@ -1,10 +0,0 @@
----
-sections:
-  - title: Payment Utilities
-    contracts:
-      - PaymentSplitter
-      - PullPayment
-  - subdirectory: escrow
----
-
-> This page is incomplete. We're working to improve it for the next release. Stay tuned!

contracts/payment/escrow/ConditionalEscrow.sol

@@ -5,7 +5,7 @@ import "./Escrow.sol";
 /**
  * @title ConditionalEscrow
  * @dev Base abstract escrow to only allow withdrawal if a condition is met.
- * @dev Intended usage: See Escrow.sol. Same usage guidelines apply here.
+ * @dev Intended usage: See {Escrow}. Same usage guidelines apply here.
  */
 contract ConditionalEscrow is Escrow {
     /**

contracts/payment/escrow/Escrow.sol

@@ -7,10 +7,11 @@ import "../../ownership/Secondary.sol";
   * @title Escrow
   * @dev Base escrow contract, holds funds designated for a payee until they
   * withdraw them.
-  * @dev Intended usage: This contract (and derived escrow contracts) should be a
+  *
+  * Intended usage: This contract (and derived escrow contracts) should be a
   * standalone contract, that only interacts with the contract that instantiated
   * it. That way, it is guaranteed that all Ether will be handled according to
-  * the Escrow rules, and there is no need to check for payable functions or
+  * the `Escrow` rules, and there is no need to check for payable functions or
   * transfers in the inheritance tree. The contract that uses the escrow as its
   * payment method should be its primary, and provide public methods redirecting
   * to the escrow's deposit and withdraw.

contracts/payment/escrow/README.md

@@ -1,8 +0,0 @@
----
-title: Escrows
-sections:
-  - contracts:
-    - Escrow
-    - ConditionalEscrow
-    - RefundEscrow
----

contracts/payment/escrow/RefundEscrow.sol

@@ -6,12 +6,12 @@ import "./ConditionalEscrow.sol";
  * @title RefundEscrow
  * @dev Escrow that holds funds for a beneficiary, deposited from multiple
  * parties.
- * @dev Intended usage: See Escrow.sol. Same usage guidelines apply here.
+ * @dev Intended usage: See {Escrow}. Same usage guidelines apply here.
  * @dev The primary account (that is, the contract that instantiates this
  * contract) may deposit, close the deposit period, and allow for either
  * withdrawal by the beneficiary, or refunds to the depositors. All interactions
- * with RefundEscrow will be made through the primary contract. See the
- * RefundableCrowdsale contract for an example of RefundEscrow’s use.
+ * with `RefundEscrow` will be made through the primary contract. See the
+ * `RefundableCrowdsale` contract for an example of `RefundEscrow`’s use.
  */
 contract RefundEscrow is ConditionalEscrow {
     enum State { Active, Refunding, Closed }