Merge pull request #753 from ChenWanyu1207/feature_cwy_1

Feature cwy 1

Author: zhangting85

api/reactions/reactions.py

@@ -0,0 +1,10 @@
+from core.rest_client import RestClient
+
+
+class Reactions(RestClient):
+
+    def list_reactions_for_a_commit_comment(self, owner, repo, comment_id, **kwargs):
+        """
+        https://developer.github.com/v3/reactions/#list-reactions-for-a-commit-comment
+        """
+        return self.get("/repos/{}/{}/comments/{}/reactions".format(owner, repo, comment_id), **kwargs)