Fix unused mut warnings.
Update rust-stb-image.
Merge pull request #453 from metajack/mut-warnings

Fix unused mut warnings.
Reduce the number of channels that talk to the script task to one
Update GLUT for keyboard support
Load purple.com when hitting ctrl+L.

This is a precursor to popping up an alert box.
Update README.md

configuring isn't right without curl (clean ubuntu 13.04)
Merge pull request #461 from Sicki/patch-1

Update README.md
Remove aclocal docs now that cairo is gone.
auto merge of #462 : metajack/servo/doc-update, r=metajack
Make content changing trigger reflow instantly.
auto merge of #424 : jdm/servo/reflowfix, r=metajack
adding missing lib libgl1-mesa-dri

without: 
libGL error: failed to load driver: vmwgfx
libGL error: failed to load driver: swrast

platform: ubuntu 13.04
auto merge of #464 : Sicki/servo/patch-2, r=metajack

without: 
libGL error: failed to load driver: vmwgfx
libGL error: failed to load driver: swrast

platform: ubuntu 13.04
Add rust-alert to the tree and use it to allow a new URL to be navigated to
Refactor compositing a bit to conform to modern Rust style
Implement the beginnings of scrolling via dragging.

There are tearing problems and GLUT does not support the mouse wheel.
Still, it's a start!
auto merge of #460 : pcwalton/servo/scrolling, r=metajack

r? @metajack
Update rust-mozjs as change of JSVal
Fix codejen as JSVal changed 64 -> {64}