Merge pull request #80 from luqmaan/gh-pages

oops, have to merge prod to dev
Add Contributing instrictions to README, Setup grunt

Add some instructions for newcomers.

Replace `fabric serve` with `grunt serve`.
Replace `fabric build` with `grunt build`. This also replaces the `<script data-main>` automatically.

:warning: You'll need to run npm install after pulling.

Fix #38
Merge pull request #87 from luqmaan/38-fix-deployment

Add Contributing instrictions to README, Setup grunt
Added default location if location isn't available [#71] and minor fix to the readme.
Merge pull request #91 from fleeting/dev

Added default location and fixed readme.
Merge remote-tracking branch 'origin/gh-pages' into dev
dev => gh-pages
Merge pull request #92 from luqmaan/dev

dev