Start implementing card actions
Adding endpoints-proto-datastore as a git submodule.
Transitioning to endpoints-proto-datastore.
Implement card actions
Just using a symlink for endpoints proto datastore since fix import bath was worthless. Making client secrets actually work.
Merge awesome updates from @dhermes
Replace symlink with actual folder to support Windows environements
Fix index.yaml and some clean-up
Start image implementation
Finish implementation of Images in emulator and playground service
Update font-style, thanks to @acroyogi
Upate contributors
Update CONTRIBUTORS.md
Making cards look more like the originals.

Moving styling from JS to CSS.
Introducing type-specific card type CSS classes for that.

The style has been adjusted to correspond to the demo cards shown in
the Glass Talk at SXSW.
Merge pull request #2 from kaktus621/card-ui

Making cards look more like the originals
Same timestamp placement for all types of cards
Better client secret handling
Update readme
Make proper use of git submodule / updated readme with repo setup instructions
Start implementing a 'proper' Glass UI with swipes and everything