Updated README which includes links to Pure CSS
Added .gitignore to ignore node_modules, bower modules and build
Included bower dependency in node packages
Added normalise.css via bower components
Grunt task for setup and watch

- Created a separate task to install bower installs via grunt
- Included LESS task to compile LESS to CSS
- Created a watch task which will compile all the LESS to CSS after a change is observed
- Added set of default grunt tasks which will install bower dependencies and compile LESS to css
Created base.less which is derived from Pure