Initial support for SRV/TXT service discovery
Merge pull request #354 from gjtoth/master

Refined Hungarian translation.
CalDAV/CardDAV service discovery with SRV/TXT records

* Structural changes in the strings file (for translations)
Version bump to 0.6.7

* a few fixes for SRV service detection
* localization strings cleanup
* new policy for localization: translators are only mentioned on their own translation from now on
Merge branch 'master' of github.com:rfc2822/davdroid

Conflicts:
	res/values-hu/strings.xml
Add license info for dnsjava and some copyright notes
Various fixes

* fix minor translation issue that caused DAVdroid to crash when showing an I/O error
* don't select TLS ciphers for Android 5.0+ (it has more secure default settings); closes #344
Minor changes

* new icons with 3D effect as required in Android Iconography Guide
* target SDK version updated to 20
* replaced UI directions left/right by start/end for RTL support
* Show "unnamed calendar"/"unnamed address book" instead of "null" in "Select collections" fragment
* "Add account" button now directly adds DAVdroid account
* .svgz for "How DAVdroid interacts with other components" added to doc
Updated the Chinese Simplified translations according to the simplified strings.xml.
[Translations] Update Serbian
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Merge pull request #365 from pejakm/srupd

Updated Serbian translations
Merge pull request #364 from phy25/values-zh-CN

Updated the Chinese Simplified translations
Don't require # for calendar colors (see #136, closes #238)
Improve handling of unknown timezone definitions (should fix #333)
Updated Czech translation
Merge pull request #372 from svetlemodry/master

Updated Czech translation
Updated Hungarian translation.