* HttpClient: authentication that is limited to a host name is never preemptive
* DavResourceFinder: service configuration == null means that this service is not available
* new SQLite database for CalDAV/CardDAV services
* added AccountDetailsFragment, which asks for account name and then finishes account creation
* updated AccountListFragment
* CalendarSyncManager/TaskSyncManager: only set calendar name and color on sync when data is available
* DavResourceFinder: test getCurrentUserPrincipal
* dav4android: use java.util.ServiceLoader, resilience against multi-status with <propstat> without <status> + test
* ical4android: always set HAS_ATTENDEE_DATA to 1
* vcard4android: small fixes
* merge translations from Transifex
* ical4android: treat empty-string task location and URL as null values
* vcard4android: ignore raw contact data without MIMETYPE
* gracefully ignore when server doesn't sent Content-Type in GET responses
* merge translations from Transifex
* ical4android: enumerate (=synchronize) all task lists and not only the first one
* fix crash bugs when activating external logging without external storage
* 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
* use ExternalFileLogger to log synchronization, if enabled in Settings
* new settings: log to external file / log verbose
* DavResource: check for well-known even if service type of user-given URL can't be determined
* remove oblsete testing assets
* 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
* VEvent: don't set LAST-MODIFIED to sync time (should be last modification time which is not available)
* ignore 403 Forbidden when uploading (can happen on certain scheduling conditions)
* don't offer to install Tasks from InstallAppsFragment, show instructions instead
* fix crash when displaying "todo lists" heading in "selection collections" fragment (fixes#512, fixes#513)
* use Android SDK build tools v22.0.1
* remove VJOURNAL/notes sync (will be implemented later)
* setup: add "install Tasks app" fragment
* version bump to 0.8.0-beta1
* use Tasks instead of Mirakel
* handle task list colors
* allow independent selection of calendar/task sync for the same CalDAV calendar
* minor refactoring (don't use return value of Builder)
* handle more task fields and time zones
* sync interval setting for tasks
* account settings: show whether CardDAV server supports VCard 4.0
* CardDAV GET: ask for VCard 3.0 or VCard 4.0 (preferred) contacts
* CardDAV multiget: ask for VCard 4.0 contacts if the server supports it
* CardDAV PUT: send VCard 4.0 contacts if the server supports it
* import Apache httpclient-android rev. 1652769 correctly (hopefully fixes#491)
