#167 update grunt process

- replace LESS with SASS processing
- tidy dependency management
#167 gruntfile config fix
#167 directory fix
update monolith version in package.json
Merge branch 'feature/gruntfile' into 2.0

Conflicts:
	assets/css/base.css
Merge branch '2.0' of https://github.com/bigspring/monolith into 2.0