Updated travis to reindex articles; #297
Updated travis to reindex articles; #297

Added the rake searchkick:reindex:all task to Travis to make sure that
indexes can be rebuilt

EBWiki/EBWiki,EBWiki/EBWiki,BOWiki/BOW,EBWiki/EBWiki,BOWiki/BOW,EBWiki/EBWiki,BOWiki/BOW