EDT-633 Rectangular selection of rows/columns in a table
  * init checkin, mouse selection support
Merge remote-tracking branch 'upstream/release/editor_v2' into EDT-633

Conflicts:
	config.js
	contents.css
	dev/builder/build-config.js
EDT-633 Rectangular selection of rows/columns in a table
EDT-637 Copying a table row breaks external clipboard usage
  * fixed coping/pasting table rows
EDT-633 Rectangular selection of rows/columns in a table
  * use data attribute instead of class
EDT-633 Rectangular selection of rows/columns in a table
  * fixed selection by mouse in ie/ff
EDT-633 Rectangular selection of rows/columns in a table
  * keyboard selection support
EDT-633 Rectangular selection of rows/columns in a table
  * reset selection on mousedown
Merge pull request #58 from trypton/EDT-633

EDT-633 Rectangular selection of rows/columns in a table