Classpath fixes by ADT Plugin.
Build against API level 18 (Jelly Bean MR2).
Add tryStartActivity to Utils for launching implicit intents.
Launch Play url in X warning dialog, Play store can intercept.
Add quick setup for TVDb show and episode buttons to ServiceUtils.
Make error message optional, switch remaining services to tryStartActivity.
Switch cal event creation to tryStartActivity.
Switch comment links to tryStartActivity.
Allow access to owners account from restricted profiles.

We currently do not store any sensitive data and just use it to
integrate with global sync.
Merge branch 'jellybean-mr2-support' into beta
Upstream stuff, build with Android 4.3