Set filter mode on tile textures to nearest when page scale is
one, and linear otherwise.
Merge pull request #91 from glennw/reftest-fix

Change texture creation to use nearest filtering. Fixes several reftests
Fix unused code warnings
Remove unused code on Linux
Merge pull request #93 from mbrubeck/unused

Fix unused code warnings
Fix error checking bugs in load_shader.

This code was failing on Android because of an error flag set during an
earlier operation (`enable(TEXTURE_2D)`).  The logging was also broken because
get_error was called twice.
Fix compiler warnings on Android
Merge pull request #92 from mbrubeck/android-err

Android build and crash fixes
Fix use-after-free on Android.

Fixes servo/servo#2916 (broken rendering on Android), which happened because
the `bitmap` pointer outlived the Vec<u8> that it pointed to.
Make NativeSurface::upload a mut method
Replace transmute with as and as_mut_slice
Merge pull request #95 from mbrubeck/android-bitmap

Fix use-after-free on Android.
Move get_buffer_requests into rust-layers from Servo

This is generally useful and layers now know how to get their own
BufferRequests.
Upgrade Rust.
Merge pull request #94 from mrobinson/more-cleanup

Move get_buffer_requests into rust-layers from Servo
Merge pull request #96 from servo/rustup-20140716

Upgrade Rust.
Generate documentation with rustdoc
Upgrade Rust.
Merge pull request #99 from servo/rustup-20140804

Upgrade Rust.
Merge pull request #98 from servo/rustdoc

Generate documentation with rustdoc