Prepare key move on cell.
Fix reference to null object

to avoid rng.isOnEditable on a null object
Merge pull request #173 from glad2learn/patch-1

Fix reference to null object
font family support
Fixed #224
Create summernote-cs-CZ.js

Czech translation
Merge pull request #237 from rdolezel/patch-1

Create summernote-cs-CZ.js
Fixed #210.
 - create new link when range collapsed (FF). Firefox also doesn't support create a new link.
 - focus editable when dialog closed.
 - use `one` instead of `on` for dialog handlers.
[trivial] Update Comment.
Prevent event bubbling on modal dialog and add on dialog example(ondialog.html).
resolving conflicts
Update summernote-fr-FR.js

1) Add button toolbar 'superscript' and 'subscript'
2) Finalize button toolbar 'strikethrough'
Update README.md
Merge pull request #235 from felipedeboni/master

adding font family support
Add `styleWIthSpan` option for use native tag(`<b>`, `<i>`,...) instead of `<span>`
 - Trivial patch for coding convention.
Implement some image editing feature(#240).
 - Trash can for image popover
 - Handle shift key for keep ratio option
remove fontsize button from default option.
Updated-Summernote-id-ID.js

Remove Image ID Lang Added
Merge branch 'master' into feature/table

Conflicts:
	dist/summernote.js
	dist/summernote.min.js
	src/js/core/dom.js
	src/js/editing/Editor.js
Add navigation key(tab shift+tab) on table.
 - remove test files.