added factory, added branch getter and public repositories

contracts/src/GitHubRepositoryReg.sol

@@ -4,9 +4,9 @@
  * Ricardo Guilherme Schmidt <3esmit@gmail.com>
  */
 
-import "GitHubAPIReg.sol";
-import "NameRegistry.sol";
-import "GitRepository.sol";
+import "./GitHubAPIReg.sol";
+import "./NameRegistry.sol";
+import "./GitRepository.sol";
 
 pragma solidity ^0.4.11;
 
@@ -37,6 +37,10 @@ contract GitHubRepositoryReg is NameRegistry, GitHubAPIReg {
     function getAddr(string _name) public constant returns(address addr) {
         return repositories[indexes[sha3(_name)]].addr;
     }
+    
+    function getBranch(uint256 _id) public constant returns(string branch) {
+        return repositories[_id].branch;
+    }
 
     //oraclize response callback
     function __callback(bytes32 myid, string result, bytes proof) {
@@ -78,4 +82,11 @@ contract GitHubRepositoryReg is NameRegistry, GitHubAPIReg {
         return strConcat("json(https://api.github.com/repos/",_repository,credentials,").$.id,full_name,default_branch");
     }
 
+}
+library GitHubRepositoryRegFactory {
+
+    function create() returns (GitHubRepositoryReg){
+        return new GitHubRepositoryReg();
+    }
+
 }