Add a context menu entry for converting a file from my collection.

Conflicts:
	src/libtomahawk/ContextMenu.h
Add a vorbis converter dummmy class. Reads a file and outputs the AudioData decoded by Phonon.

Conflicts:
	src/libtomahawk/CMakeLists.txt
Finish adding OggVorbis to build.
Added Ogg/Vorbis conversion and output of the AudioDataOuput.
Lower the volume when converting.
Use the file samplerate when converting.
Handle output file of the conversion correctly.
Remove the audioOutput when converting.
Add quality parameter for conversion.
Save tags when converting a file.
Delete convert from contextMenu (temporary option).
Add convert when streaming file with bitrate over a certain threshold.
Conflicts:
	src/libtomahawk/Result.h
	src/libtomahawk/network/Servent.h
	src/libtomahawk/network/StreamConnection.cpp
	src/libtomahawk/network/StreamConnection.h
Replace QBuffer by a circular buffer in VorbisConverter.
Update VorbisConverter with new Resul and Track interface.
Add quality parameter for transcoding.
Seek using Phonon when streaming a conversion.
Conflicts:
	src/libtomahawk/network/StreamConnection.cpp
fix integration conflict

Conflicts:
	src/libtomahawk/network/StreamConnection.cpp