Allow dot in Github slug (#204)

* Allow dot in Github slug

Some repository contains a dot character in the slug:
* https://github.com/ThoughtWorksInc/Binding.scala

* Lazily match the repository name, in case of matching a `.git` for the slug

Author: Atry

lib/src/GitHubInfo.js

@@ -73,7 +73,7 @@ class GitHubInfo {
     */
     _repo(callback) {
         return this._executeCommand('git config remote.origin.url', repo => {
-            const repoPath = matchAll(/([\w-]+)\/([\w-]+)(\.git)?$/g, repo);
+            const repoPath = matchAll(/([\w-\.]+)\/([\w-\.]+?)(\.git)?$/g, repo);
 
             if (!repoPath[1]) {
                 return Promise.reject('No repo found');