Fix bug in create a github issue or github comment case

There is a bug in create a github issue or github comment.
Fix it split ProjectGithub#full_name by a slash.

This bug was commited at bb81cc295a855af70d6ddbd44a53545bfe129db2
Remove not need code
Merge pull request #74 from kmiyake/hotfix

Fix bug in create a github issue or github comment case