Cleaning up JS references, doc references
Merge pull request #81 from wmathurin/unstable20

forcetk's x-user-agent includes full user agent passed in / force.entity...
Merge pull request #80 from khawkins/misc_cleanup

Cleaning up JS references, doc references
Guarding against null in patchUserAgent
Merge pull request #82 from wmathurin/unstable20

Listening for Online/offline events + CSS changes
Merge branch 'unstable20' of github.com:wmathurin/SalesforceMobileSDK-Shared into unstable20