Move the mysterious `:branch` to where it belongs
Move the mysterious `:branch` to where it belongs

We need to expand on `:branch` in all cases; but having a
` + [:branch]` seems out of place. Move it to
`EXPANSION_KEYS_UNIVERSAL` for better organization.

jantman/travis-core,final-ci/travis-core,final-ci/travis-core,Tiger66639/travis-core,kidaa/travis-core,developerfm/travis-core,Tiger66639/travis-core,kidaa/travis-core,jantman/travis-core,travis-ci/travis-core,GistIcon/travis-core,GistIcon/travis-core,kidaa/travis-core,final-ci/travis-core,GistIcon/travis-core,travis-ci/travis-core,developerfm/travis-core,Tiger66639/travis-core,travis-ci/travis-core,developerfm/travis-core