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
add missing  attribute in pt-BR lang file
Merge pull request #734 from matheusrrocha/develop

add missing  attribute in pt-BR lang file
Replace keyup event with input event even it works on pasting text via context menu
Move video lang.
Move fontstyle lang.
Drop settings width of fullscreen editor with callback
Improve English some more