make notification configuration works
fixed #344

bug fix: deleting branch after merge
add comments section line on pullrequest
fixed comment icon typing error on board list
Merge pull request #449 from kjkmadness/yobi refs/heads/enhancement/notification
fork: Log an error message when fork is failed.
watch: Fix 400 while trying to watch a commit.

This bug is caused by 412ff1984128f70a561d70ab69831d30dbffa7ec