Proposed Grunting syntax for MSM Support

gruntEE.txt

grunt common:site_name
    clean
    jshint:site_name
    concat:site_name
    uglify:site_name
    
grunt dev:site_name
    grunt common:site_name
    grunt sass:site_name:dev
    grunt watch:sass
        grunt sass:site_name:dev

grunt build:site_name
    grunt common:site_name
    grunt sass:site_name // (non-dev)
    grunt copy:site_name
    grunt mountee:site_name
    
grunt release:site_name
    @alias for grunt build:site_name // deprecate this?
    
grunt deploy:site_name
    grunt common:site_name
    grunt sass:site_name
    grunt copy:site_name
    grunt mountee:site_name:deploy