working on upgrading to hydra 7 and blacklight 5
got gallery view showing
got stored_collection_id working again

finshed fixing tests for blacklight upgrade
Fixed navbar style for bootstrap 3.  Story #273
Fixed style on advanced search page, catalog sidebar, and footer. Story #273
Moved content down so it won't be obscured by header.  Story #273
Ordered collection datastream for story #250
added collections create, list view, and drag and drop on search results
Merge remote branch 'origin/tdil' into tdil
Disable TIL specific stuff for MIRA. Closes #272
Test with TIL and MIRA
Don't require unnecessary gems on Travis
Add a TIL header
Prefix datastreams to avoid deprecation warnings
Don't run purge or revert tests for TIL
add datastream prefix to avoid deprecation warning
Turn some collection tests off for MIRA
Only list unicorn one time
Turn off show tools for DIL
Refactor views for TIL