LESS configuration changes.
Track root LESS files only.
Merge branch 'master' into Bootstrap3

Conflicts:
	src/main/webapp/resources/build/styles/base.css
	src/main/webapp/resources/build/styles/bootstrap/bootstrap.css
	src/main/webapp/resources/build/styles/main.css
	src/main/webapp/resources/build/styles/main.less
	src/main/webapp/resources/themes/default/styles/theme.css
LESS configuration changes.
Track root LESS files only.