remove bindings codegen h/cpp files from .gitignore

These files don't exist in the tree, and the codegen doesn't create
them, so we shouldn't have them sitting around in .gitignore.
Fixed #4127: Added a fast path to border-radius.

This will avoid drawing Arcs if there's no border-radius property set.
code review
Remove libgreen support.
Make 'mach doc' not fail when components/servo/target doesn’t exist.
Fix 'mach browse-doc' to use the right target directory.
auto merge of #4187 : cgaebel/servo/issue-4127, r=SimonSapin

This will avoid drawing Arcs if there's no border-radius property set.

Fixes #4127
Update web-platform-tests.
auto merge of #4202 : zwarich/servo/remove-libgreen, r=larsbergstrom
auto merge of #4205 : servo/servo/wpt_20141202, r=jdm
Update skia submodule to get android build fix.
auto merge of #4203 : SimonSapin/servo/refactor-doc, r=Manishearth
Support for Separated Read Write
auto merge of #4210 : glennw/servo/skia-android-update, r=metajack
Implemeneted ModifyAttribute handler to update DOM elements.
auto merge of #4214 : jdm/servo/modifyattr, r=jdm

Rebased from #4197.
Disable debugging, set wikipedia page for demo.
auto merge of #4216 : glennw/servo/android-demo, r=larsbergstrom
Don't categorize HTMLInputElement as a TableCellFragment

Closes  #4196.
auto merge of #4213 : jdm/servo/sepreadwrite, r=jdm

Rebased from #4211.