Merge pull request #650 from HackerWins/develop

v0.5.10
Restore prev/next functions in core/list.js
Call afterCommand callback after resizing object
Call afterCommand callback after changing shape of object
Update dist files
Fix typo in comment
Hide handle object explicitly while initializing codemirror
add placeholder text
change placeholder to opt in
keep placeholder on :focus
Correction for styleWithSpan setting

This correction makes sure that if I don't want to style with a span, it will not.  Previously this function was purely passive, and only enforced styling with spans...  a browser defaulting to css styling would continue to do so regardless of this setting.
Merge pull request #727 from TimOgilvy/patch-1

Correction for styleWithSpan setting
lighten placeholder text color
Drop settings width of fullscreen editor with callback
Improve English some more
Merge pull request #747 from dandv/patch-1

Improve English some more
Integration with Meteor.js, http://meteor.com
Merge pull request #748 from dandv/meteor-integration

Integration with Meteor.js, http://meteor.com
Fix #606(Added link appears below editable area).
Merge pull request #744 from HackerWins/fullscreen-without-modifying-width

Drop settings width of fullscreen editor with callback