reorganize examples into folder

contracts/examples/BadFailEarly.sol

@@ -0,0 +1,15 @@
+// UNSAFE CODE, DO NOT USE!
+
+contract BadFailEarly {
+
+  uint constant DEFAULT_SALARY = 50000;
+  mapping(string => uint) nameToSalary;
+
+  function getSalary(string name) constant returns (uint) {
+    if (bytes(name).length != 0 && nameToSalary[name] != 0) {
+      return nameToSalary[name];
+    } else {
+      return DEFAULT_SALARY;
+    }
+  }
+}