add component support

Release 0.3.1

update version
add component build test

remove browserify for now

add component build test

remove old files

fix grunt
add Promise as a component dependency
update mozhtml5 logo
Merge pull request #142 from potch/master

update mozhtml5 logo
Fix iframe test
Fix component nits
Merge component branch
Bump version number for component
Add bower version
Bump version
Avoid use of `window`
Use bash instead of just indented code
Cleanup English in README
Use newer version of es6-promises (fix #144)
Merge pull request #146 from mozilla/web-workers

Web workers
PR with some unit tests for web worker support mentioned in #144.
Added `grunt serve` task
Tweak web worker branch
OCD whitespace fix