* preference screen for debug settings
* allow to disable HTTP compression
* verbose network logging only when activated
* single HttpClient for all threads (before: single HttpClient per adapter)
* bump version to 0.5.13-alpha
* support primary (preferred) phone numbers/email addresses
* fix (crash) bug in URI sanitation
* don't set calendar properties not supported by device's Android version
* require already-set remote file name when finding updated records
* version bump to 0.5.6α
* write PRODID with DAVdroid and ez-vcard version to VCards
* remove limit of 1 for contact Web sites in contact EditSchema
* add organization to contact EditSchema
* don't set null values in ORG/ROLE
* use SDK level 19
* add action to all preference intents (fixes#92)
* use StrictHostnameVerifier instead of HttpsURLConnection.getDefaultHostnameVerifier() (fixes#88)
* use per-WebDavResource instead of static DavHttpClient to enable different settings for different accounts
* support for phonetic names (closes#19)
* update contacts.xml, tested with 4.0 (Samsung), 4.2 (Cyanogen), 4.3 (Cyanogen) (fixes#5, fixes#6, fixes#7)
* smarter error handling (1): notify sync manager in case of HTTP auth errors
* smarter error handling (2): just ignore the dubious resources instead of notifying Android sync service
* refactoring: created DavSyncAdapter and move common code to it
* version bump to 0.3.4-alpha
