Bitbucket deprecated its API v1.0: update all endpoints to API v2.0 (p…

…rontolabs#348)

* Bitbucket deprecated its API v1.0: update all endpoints to API v2.0
(pull_requests wasn't updated)

* Fix issue of approve_pull_request and unapprove_pull_request method

lib/pronto/clients/bitbucket_client.rb

@@ -21,7 +21,7 @@ def pull_comments(slug, pull_id)
   end
 
   def pull_requests(slug)
-    response = get("#{pull_request_api(slug)}/pullrequests?state=OPEN")
+    response = get("/#{slug}/pullrequests?state=OPEN")
     openstruct(response['values'])
   end
 
@@ -30,11 +30,11 @@ def create_pull_comment(slug, pull_id, body, path, position)
   end
 
   def approve_pull_request(slug, pull_id)
-    self.class.post("#{slug}/pullrequests/#{pull_id}/approve")
+    self.class.post("/#{slug}/pullrequests/#{pull_id}/approve")
   end
 
   def unapprove_pull_request(slug, pull_id)
-    self.class.delete("#{slug}/pullrequests/#{pull_id}/approve")
+    self.class.delete("/#{slug}/pullrequests/#{pull_id}/approve")
   end
 
   private