Create Module for common search methods
EAT Add search_text field and index

EAT Add full text search on all fields
FTT Add search_text field and index. Clean up Eat methods.

FTT remove old search method. Use module instead.
Ftt Add judge names to individual decisions page
Refactored landing page decisions table into a shared partial

Fix Eat controller spec
Merge pull request #106 from ministryofjustice/new-search

TRIBS-134 TRIBS-190 New search for EAT and FTT