Github tracker form is modified to have github url instead of github name and github repo - Issue799

Signed-off-by: lei <kurarei@gmail.com>
Fixes for the code review / added tests for Github tracker editing views - Issue799
Merge branch 'master' of https://github.com/openhatch/oh-mainline
Merge pull request #91 from reik/master

Github tracker form should validate github_name and github_repo - Issue799
Merge branch 'master' of https://github.com/openhatch/oh-mainline
Merge branch 'master' of github.com:Aaron1011/oh-mainline