remove submodules
update paths to use flattened repo structure
fix conflict with HTMLImports
added more native register smoke tests
one more native register smoke test (resulted in https://code.google.com/p/chromium/issues/detail?id=247219)
promote 'mixin' from CustomElements into Platform lang.js
Merge branch 'master' into flattened-repos

Conflicts:
	platform.min.js
	platform.native.min.js
	platform.sandbox.min.js
use flat path for PointerEvents
update maps
Merge pull request #19 from Polymer/flattened-repos

Flatten repos
fix pointergestures path in debug
use full LICENSE in builds
Update gruntfile with PointerEvents module split
freshen
warn on missing files for uglify
add mdv syntax to platform build
match case of mdv folder to default name of the mdv repo so that case-sensitive servers don't choke.
buildbot.git no longer required
test: test build file
Avoid period dirty checking when platform support exists for Object.observe.