* 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
* fixed annoying bug where all imported contacts where starred
* checkbox for preemptive authentication in setup
* support for (non-preemptive) Digest authentication
* add UID when received entities don't contain one
* version bump to 0.3.2-alpha
* build.xml for ant/Fdroid