Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  1d7f754f845643ed2fea24630d19ea26d5d4adcf

Update lightncandy and remove flow_component

Updates lightncandy to 0.15; supports named args on partials
Removes flow_component, for which the logic is now in View

Change-Id: I4a26864a2184a2174c456dad8c29f2e2e57ce5d1