Fixes Site.Static.findByUrl returning null on URLs that contain things like spaces.
Fixes bulk uploading not checking file content types.
Fixes enhancements sometimes getting lost when used close to an inline style.
Fixes sites, widgets, and urls widget to change the original data instead of the variation data.
Merge branch 'release/2.0'

Conflicts:
	tool-ui/src/main/webapp/WEB-INF/objectPublish.jsp
	tool-ui/src/main/webapp/WEB-INF/widget/urls.jsp
Merge branch 'master' of github.com:perfectsense/brightspot-cms