Added service for pubsLists. It currently only has a fetcher factorty with one function to retrieve the lists. Using this to fill in the lists on the Search page.
Removed unused buttons and the corresponding functions from the search page code.
Updated the search tests to specify the PubsListFetcher.
Merge branch 'master' of github.com:USGS-CIDA/Publications-Warehouse into PUBSTWO-936
Added additional buttons to the Abstract tinymce per PUBSTWO-1033
Merge pull request #77 from mbucknell/PUBSTWO-1033

Pubstwo 1033. Feel free to review, but I'm going to go ahead and merge.