Merge branch '4.0' of github.com:impresspages/ImpressPages-CMS into develop

Conflicts:
	Ip/Internal/Content/Widget/Columns/look/default.php
recompile js
Merge branch 'develop' of github.com:impresspages/ImpressPages-CMS into feature-movetoside

Conflicts:
	Ip/Internal/Content/assets/management.min.js
Added draft docblock comments.
Merge branch 'develop' of github.com:impresspages/ImpressPages-CMS into develop
Added comments for View class
Plugin to compile all required Core assets
manual drop placeholders
Merge branch 'develop' of github.com:impresspages/ImpressPages-CMS into feature-movetoside

Conflicts:
	Ip/Internal/Content/assets/management.min.js