Fix misuse of issue index for issue id.

- UpdateAssignee
- UpdateIssueMilestone
Avoid setting missing label/milestone/assignee ids

Label, milestone, assignee ids are not includes in post request, possible
js or form building bug.
Merge pull request #579 from TonyTsangHK/dev

Fix misuse of issue index for issue id.
update slack hook to use new format
Merge pull request #581 from compressed/slack_upd

update slack hook to use new format
Fix fork repo and macaron API broken
Safe work
Fix #584
force the use of InnoDB as db engine for all tables, fixes #59
Fix Issue 589
Merge pull request #591 from semlanik/semlanik/589

Fix Issue 589
check for smtp AUTH extension
Merge pull request #593 from mcheng89/dev

check for smtp AUTH extension
locale fix
Fix #595
Merge pull request #597 from luto/fix-mysql-engine

force the use of InnoDB as db engine for all tables
Merge pull request #596 from isotas38/dev

Fix #595
Update gopmfile