Add model, controller and view for AAC decisions

Build models for AAC, import data

Rename subcategory id column in aac decisions table

Add date, ncn, category and parties to index view

Add AAC import errors table

Add AAC decisions document files

Add AAC import instructions to README. Fix import rake task. Add tests for doc processing.
Import for EAT judgments

 Created a rake task & a model for it
 Updated .gitignore in order to ignore 'data' dir

Imported EAT jurisdiction_level1 table data
Imported EAT jurisdiction_level2 table data
Imported EAT level2jury table data
Added EAT judgment_jurisdictions table
 added the model relationships
 added a rake task for the whole 'import:eat'
Added Rails ERD diagraming gem
Added EAT causelist table
Removed duplicate instructions in README
Updated the README with EAT instructions
Added the Rake task to be used for EAT data import
Removed rails-erd gem added previously
Removed EAT's level2juri table
 And the related EatCategoryManager class
Implemented the 'import:eat:all' task correctly
Changed column type for EatCategories
Renamed EatCategoryHierarchy to EatCategoryDecision
Removed causelist table & related data
Delete the data for each EAT model
 Before insertion, purge all data
Fixed the model relationships
 Between EAT subcategory and EAT decision
Merge pull request #66 from ministryofjustice/EAT-import

TRIBS-146 EAT data import
add .idea and public/decision and public/aac_decision to gitignore file
modify .gitignore to add idea folder and public/desicion repository
add uploaders config files to gitignore file
add uploaders examples files to avoid the continue changes
delete the uploaders files
add jazz-hands gem
add and init zeus gem
add public/aac_decision repository to gitignore file
add database clean process into the before callback in spec_helper
add some unit test regarding to searching process both in text and metadata data
delelte duplicate test in decision spec
add spec for simple search scenario where a user search a word contained into the Text decision attribute
add free text field search functionality on metadata
add highlighting js lib
add highlight style class
add highlight process trigger
fix the error when the search process is executed with free text search is blank