[Issue #195][WIP] added a surrounding div around synonyms section in search view
[Issue #195][WIP] added a js file for ajaxifying purposes
[Issue #195][WIP] added route for synonym retrieval by ajax
[Issue #195][WIP] added action for synonym retrival via ajax as json object
[Issue #195][WIP] updated ajaxifying views
[Issue #195][WIP] updated searching via filters action
[Issue #195][WIP] deleted redundant scopes that were wrongly merged
[Issue #195][WIP] updated docs for controller actions
[Issue #195][WIP] updated test cases for search controllers