Merge pull request #25 from box/oauth

make oauthactivity and oauthview more extensible

Merge pull request #24 from box/resourcehub

Make resourcehub easier to be extended on non BoxResourceType types.

Merge pull request #23 from box/sample

update sample apps

Merge pull request #21 from box/oauthredirect

fix an issue that on certain android os, OAuthActivity won't finish due ...

Merge pull request #17 from box/sdkparser

refactor out json parser so customers can swap in their own json parsers

Merge pull request #15 from box/jar

Adding missing jars in libs folder