Merge remote-tracking branch 'nik/develop' into develop

Conflicts:
	Squeezer/build.gradle
	gradle/wrapper/gradle-wrapper.properties
Add additional notes to NEWS.

- Specific bugs/feature requests fixed in this release.

- The "Song information not being updated" bug is fixed.
Prepare the release for 1.1.0-beta-1.
Add a config file for Transifex.
Merge remote-tracking branch 'nik/develop' into develop

Conflicts:
	gradle/wrapper/gradle-wrapper.properties
Update current playlist when the current player

changes.
Update the Transifex config.

- Correct the file filter, so that files are transferred to/from the correct
  locations.

- Add a language map to just use language specific directories for the
  moment.
Add a config file for Transifex.
Update current playlist when the current player

changes.
Update the Transifex config.

- Correct the file filter, so that files are transferred to/from the correct
  locations.

- Add a language map to just use language specific directories for the
  moment.
Use static version numbers for support libraries for build reproducibility.
Remove spurious newlines, correct spelling of "Wi-Fi".
Updates to the Dutch translation, submitted by spamba@gmail.com.

The translation was submitted via Transifex, which has collapsed some
whitespace and made other inconsequential changes.
Prepare the release for 1.1.0-beta-2.
Correct instructions about release branches.

Format paths correctly.
Save selected album sort order on server
Correct a method name in a log string.
Fix action bar player dropdown for 2.3 and previous

The simple_spinner_dropdown_item layout for 2.3 not suitable for use with the
action bar compat theme.

So we use support_simple_spinner_dropdown_item instead.
Format filenames as plain text.
Update the action bar player spinner when players change.

- Call any onPlayerChanged callbacks when the list of players changes.

- Update the Player model to record the connected state of a player.

- Change updatePlayerDropDown to only include players that are connected,
  and only show the spinner if more than one player is connected.