avoid reflows by using a DocumentFragment
boot.js: do not use finally {} in st.withContext as it slows down considerably events (where there's no outer context)
revert commit ef214a0 as CodeMirror seems to have issues with it.
jQuery should be loaded by 'amber/deploy'

I was too eager when cutting things off amber/devel
when making amber/deploy.
Grunt: '-v'/'--verbose' cmd line flag now makes compiler output verbose
update CHANGELOG file with 0.11.0 info and initial 0.12.0 info
Merge pull request #678 from mkroehnert/release-notes

update CHANGELOG file with 0.11.0 info and initial 0.12.0 info
Merge pull request #676 from mkroehnert/grunt-verbose

Grunt: '-v'/'--verbose' cmd line flag now makes compiler output verbose (fix #653)