Music Player Daemon (MPD) 0.15 Beta 2 / 0.14.2

MPD is a flexible, powerful, server-side application for playing music. Through plugins and libraries it can play a variety of sound files while being controlled by its network protocol.
The design of MPD focuses on integrating a computer into a stereo system that provides control for music playback over a local network.

Enhancements
- Modify version string to post-release version 0.15~git
- mpd version 0.15~beta2
- Makefile.am: run sparse once with all sources
- archive/zip: pass NULL instead of 0 to zzip_dir_open()
- httpd_output: assert that tag!=NULL
- vorbis_encoder: moved code to vorbis_encoder_headerout()
- vorbis_encoder: start a new stream in tag()
- httpd_output: disable Icy-Metadata when encoder supports tags
- httpd_output: moved code to httpd_output_encoder_to_clients()
- httpd_output: save the page generated by encoder_tag()
- test/run_encoder: flush the encoder before exiting
- tag_id3: added support for the UFID frame
- player_control: renamed playerSeek(), return bool
- player_control: removed pc.error check from pc_seek()
- player_control: assert that pc.next_song is NULL after seeking
- pcm_resample: fixed typo in libsamplerate runtime check