Asset filter/cache chain enhanced
Merge branch 'develop' of github.com:mapbender/mapbender-starter into develop

Conflicts:
	application/web/assets/MapbenderCoreBundle__js__responsive__js.js
	application/web/assets/MapbenderCoreBundle__sass__element__layertree__scss.css
	application/web/assets/MapbenderCoreBundle__sass__element__overview__scss.css
	application/web/assets/MapbenderCoreBundle__sass__template__responsive__scss.css
	application/web/assets/MapbenderCoreBundle__sass__theme__mapbender3__scss.css