Generate a PhpStorm advanced metadata file for Core::make() auto-completion
Removed extra loop
Don't insert null class names, make sure class starts with \
Add ability to preview Mobile Theme
Fixed modifying the page output through the on_page_output event.
Merged generate metadata with generate symbols
Added line endings
Merge branch 'meta-data' of github.com:ExchangeCore/concrete5-5.7.0 into meta-data

Conflicts:
	web/concrete/src/Support/Symbol/MetadataGenerator.php
One of the SPs was coming back as the metadata generator
Overlay class does not exist. Changed to lightbox.
adding on_cache_flush event
make it possible for google to render page
remove blocks
Merge pull request #1693 from goutnet/add-on_cache_flush-event

adding on_cache_flush event
better styling in safari
fixing some issues with sample content import and page feeds
Add missing comma
Merge pull request #1698 from Remo/patch-2

make it possible for google to render site
adding resizable back
Merge branch 'develop' of github.com:concrete5/concrete5-5.7.0 into develop