Merge pull request #6 from mmeyerho/master

Updated a cast in rust-mozjs
Fix for kind system changes
Updating for stricter rust kind checking rules.
Merge pull request #8 from eholk/master

Updating servo for new kind-checking rules
Factor out elements into a generic type
Fix tests
Parse unknown HTML elements into something sane
Incomplete box construction for inline children
refactor to have some global fns in JS
initial integration of spidermonkey into servo
Add about:mozilla and parse it
missing files
update to commit with new constants
Start sketching a net module
Make <head> display: none
Parse generic attributes; add an image test case
Add stb_image bindings
Stub style application; add an attribute accessor method
Add missing files
solid_color -> display_item_solid_color (preparation for display_item_image)