remove stable branches for stable tags
Merge pull request #34 from cordoval/plug-contributing

This PR was merged into gushphp:master branch.

Discussion
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fix contributions

                   
|Q            |A  |
|---          |---|
|Bug Fix?     |n  |
|New Feature? |n  |
|BC Breaks?   |n  |
|Deprecations?|n  |
|Tests Pass?  |n  |
|Fixed Tickets|   |
|License      |MIT|
|Doc PR       |   |
                   



Commits
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b60e6918a054396f44cdbd1af20eb1e5d23e3e58 remove stable branches for stable tags cordoval