Merge pull request #131 from burstly/iOS-2.5

I os 2.5
Merge pull request #132 from burstly/dev

Dev
Added JS to survey
Merge branch 'master' of https://github.com/burstly/burstly-integration-docs
Added JS to survey
Added tags in survey
Survey draft done
Survey
Removed unnecessary files
added JS + CSS for inserting a banner at top of page
removed typo in JS file
commented out the sample banner code
Merge branch 'master' of github.com:burstly/burstly-integration-docs
Updated iOS 2.5 tag