in progress
add messages for tile set browse step
modify templates for searching tile sets
add styling to browse tile sets
add search logic to browse tile sets + small refactoring
small change to make search working
Merge branch 'MOB-1771-php-changes' into MOB-1771
in progress
Refactoring
final touches
Merge branch 'MOB-1392-intmap-extension' into MOB-1771

Conflicts:
	extensions/wikia/WikiaInteractiveMaps/WikiaInteractiveMaps.i18n.php
	extensions/wikia/WikiaInteractiveMaps/controllers/WikiaInteractiveMapsController.class.php
	extensions/wikia/WikiaInteractiveMaps/js/intMapCreateMapTileSet.js
fix tile get tile set method after merge
CR changes: small changes in messages documentation
CR change: one line less ;)
CR change: indentation
CR change: added missing new line
CR change: fix whitespaces
More refactoring
More refactoring
Added public methods for error handling