Update README.md

Updated the description of the branch from beta website to UAL website
update README.md to include grunt setup
Merge pull request #396 from howardpanton/gh-pages

added fixed to prototype build
add document ready calls to script components - more to come
Merge branch 'gh-pages' of https://github.com/artslondon/arts.ac.uk into gh-pages
Merge pull request #397 from howardpanton/gh-pages

added grunt montage task
commit before pull from origin gh-pages
Merge branch 'gh-pages' of https://github.com/artslondon/arts.ac.uk into gh-pages
nudge dropdown arrow alignment
coffeescript components
fix for lcc hyphens problem in course modules
update coffee / grunt
update back to top js
aligning selectboxes (to finish)
Merge pull request #398 from howardpanton/gh-pages

updated to fix the sprite path
add image assets for sliders and logos etc
Merge branch 'gh-pages' of https://github.com/artslondon/arts.ac.uk into gh-pages
work done thursday 20
update grunt server to use open:root
modify build-js task to add hammerjs library separately