[dev] Install brainiak before dev requirements (#121)
[dev] Install brainiak before dev requirements (#121)

This makes it easier to detect bugs in dependency management. If an
install dependency is mistakingly added as a development dependency,
`pr-check.sh` will fail.
CameronTEllis/brainiak,yidawang/brainiak,yidawang/brainiak,yidawang/brainiak,lcnature/brainiak,brainiak/brainiak,CameronTEllis/brainiak,TuKo/brainiak,mihaic/brainiak,mihaic/brainiak,brainiak/brainiak,IntelPNI/brainiak,CameronTEllis/brainiak,mihaic/brainiak,IntelPNI/brainiak,brainiak/brainiak,lcnature/brainiak,TuKo/brainiak,lcnature/brainiak,TuKo/brainiak,IntelPNI/brainiak