GRAPHICS: Replace deprecated fixed function vertex attributes with generic attributes setup. Use gl2 core shader calls. Upload object color as uniform.
GRAPHICS: Remove deprecated LUMINANCE texture format.
BUILD: Add Travis CI.
BUILD: Add SDL2 ppa to travis script.
BUILD: Add bullet ppa to travis script.
BUILD: Update Ubuntu build instructions.
PATH: Fix missing header include for rmdir.
Fixes #122. Add appdata application description.
Fix typo in appdata.
TRACK: Move racing line graphics out of roadpatch/strip.
Merge branch 'master' into vertex
STYLE: Prefer istringstream/ostringstream over stringstream.
GRAPHICS: Rename VertexTexCoord0/1/2 attributes to VertexTexCoord/BlendIndices/BlendWeights.
GRAPHICS: Remove SetColor from VertexArray.
GRAPHICS: Remove TexCoordSets from VertexArray (never really used/supported).
GRAPHICS: Rename VertexAttribs to VertexAttrib.
GRAPHICS: Add vertex attribute format.
GRAPHICS: Typedef SceneNode List and Handle.
GRAPHICS: DrawableContainer cleanup. Move PtrVector to Graphics. Remove unused ForEachWithName. Add const ForEach.
GRAPHICS: DrawableContainer cleanup. Move PtrVector to Graphics part 2.