hasInlineMerchandise is now exposed in JS

Currently only works if the page has an ISBN number assigned.
add new im ad slot
InlineMerchandising saved to S3
making video meta social icons white
hide bottom social buttons on video page at >=leftCol
hasInlineMerchandising now supports DFP targeting
Merge remote-tracking branch 'origin/master' into addingImSlotTargeting

Conflicts:
	common/app/dfp/DfpAgent.scala
Oops, left a conflict in.
Fixed configuration test
refine new nav tracking
adding link back for comments when there is no js
updating supscription.end date processing due to change from timestamp to ISO date format
changing video icon to yellow
hiding pamplemoose vs native controls and play button size tweak
Merge pull request #5070 from guardian/addingImSlotTargeting

Adding InlineMerchandising slot targeting
various updates to video page style
remify
Merge pull request #5072 from guardian/mem-tab-next-payment-fix

updating supscription.end date processing due to change from timestamp t...
fixing css
Merge pull request #5077 from guardian/video-player-fixes

hiding pamplemoose vs native controls and play button size tweak