Merge pull request #6 from istudens/master

Refactoring for pull-shared
Merge pull request #7 from istudens/master

reverting back to Chao's bugzilla interface
Merge pull request #8 from istudens/master

don't post any github comments if dry-run
Merge pull request #9 from istudens/master

adding a check for finished PRs
Merge pull request #10 from istudens/master

fixing the Hudson URL
Merge pull request #11 from istudens/master

adapt it to the renamed conf/method names of pull-shared
adding some comments