fix 3dobject include
fix: update ebuild to new api and new dependencies
Major changes to color system.
- Color(...) is now sRGB non-premultiplied (as it were in the past)
- OpenGL always uses premultiplied linear RGBA (as it has since a while back)
- Proper conversions are done more or less automatically
- Color::alpha(a) shorthand to avoid Color(1.0, 1.0, 1.0, a) everywhere
Fix keyboard guitar menu navigation (regression in inputcleanup).
Fix undefined reference from boost_system.
Avoid librsvg deprecation warning.
Disable keyboard song filter for now.
Const correctness.
Multiple vocal track display in song browser.
Disable performous-packaging.cmake (it is no longer up to date).
Bump version number for 0.7.0 release.
Bump version number past release.
Change portaudio::AudioDevices API so that device ID is contained within DeviceInfo. The index within devices[] no longer has any meaning.
Omit certain useless devices listed by PortAudio.
Major cleanup of audio device detection logic in audio.cc.
NEEDS TESTING!!!
new: added performous 0.7.0 ebuild

This patch also fix the git ebuild to be fully compatible with next
release.
Make CMake find GDK-PixBuf in M cross environment.
SingStar XML parser fixed & cleanup:
- Do full parsing during song loading (so that tracks are detected properly)
- Fix default singer name in multitrack in one mode (Solo 1)
Added Portuguese (Brazil) translation.
Update docs with GitHub transition.
Merge pull request #1 from josephgbr/master

Translation to Portuguese (Brazil)
Remove some outdated docs (migrated to GitHub issue tracker or wiki).