Update README.rst

Added bitdeli badge.
Update README.rst

Added demo
assets versioning working but not in a usable way
version numbering is working properly, watch is working properly, build is working properly and now time to connect the version number to the assets in the widgets.Meta class
almost there, version is correct and the assets are being set correctly
Added the two missing files and this should close #27
Merge pull request #28 from jamiecurle/package-with-grunt

Package with grunt ( not yet ready for merge)
Merge branch 'develop'