Localisation updates from https://translatewiki.net.

Change-Id: Ifec093bca3af5b913b543a489e9dd1078e99f3f8
Localisation updates from https://translatewiki.net.

Change-Id: Ib5d1db2f3296560703831261313fa5713d745d2a
Add notification type for Flow thanks
Add front-end FlowThanks
Flow Thanks API
Bugfixes
data-creator-id was topic creator, not post
better handling of thanked link
FlowThanksFormatter
Merge branch 'flow-thanks' of github.com:wctaiwan/Thanks into flow-thanks

Conflicts:
	modules/ext.thanks.thank.js