PLA-390 refactor SearchAbTests.js and add some unit tests
PLA-390 cosmetic changes
PLA-398 introduce methodology for exposing thumbnail html via imageserving
PLA-399 handling template changing for onWiki search in controller and onWiki index template
PLA-373 added example test
Merge branch 'PLA-398' into PLA-399
PLA-399 moving thumbnail showing to abtest template
PLA-399 change in the way the path is builded
PLA-399 added tests for handleLayoutAbTest, change in controller due to test
PLA-399 adding tracking to image on ab test
PLA-390 split SearchAbTest modules into separate files
Use  log.levels.debug instead of "debug"
PLA-398 add default height of 100 for each image in search thumbnail logic
Merge branch 'PLA-398' into PLA-399
PLA-390 test url modification logic
Merge remote-tracking branch 'remotes/origin/dev' into PLA-390
PLA-390 fix this call in jQuery closure
PLA-390 if possible return object without creating variable
PLA-390 rearrange modules
PLA-399 change the way thumbnail url is acquired for article
PLA-399 unit tests, and changes due to those