* fix lint warnings
* line-break too long messages of network trace logs
* DebugInfoActivity "send": attach log file instead if sending it as plain text
* revert to ez-vcard 0.9.6 because of https://github.com/mangstadt/ez-vcard/issues/33
* German translations
* new StringLogger
* DavResourceFinder: log to StringLogger; if no collections are found, logs can be views
* DebugInfoActivity: show passed logs
* script to fetch translations from Transifex
* increase version to 0.9-beta2
* allow cancellation of synchronization within appropriate time
* sync error notification: use loader, show all accounts, show whether JB Workaround is installed, reorder
* move address book settings from account user data to ContactsContract.SyncState
* remove "VCard4 capable?" setting (as it's detected at every sync)
* show user notification when updating settings version or when Android version was increased
* improve stack trace in DebugInfoActivity
* get rid of Guava (use Commons again)
* resource detection is subject to change yet
* don't use UID_2445 for Android <= 4.1
* more useful sync error notification messages
* handle 401 Unauthorized and show account info when notification is tapped
