Update event-gestures history.
Update handlebars HISTORY
Update loader HISTORY
Fix issue in which empty node instance throws error in editor.
Merge branch 'editorregressionfix' into release-3.18.0-rc-1
Add editor regression fix.
Version bump to 3.18.0-rc1

	modified:   bower.json
	modified:   package.json
[handlebars] Update HISTORY

Conflicts:
	src/handlebars/HISTORY.md
Build files for editor regression fix.

	modified:   ../build/editor-selection/editor-selection-coverage.js
	modified:   ../build/editor-selection/editor-selection-debug.js
	modified:   ../build/editor-selection/editor-selection-min.js
	modified:   ../build/editor-selection/editor-selection.js
Merge branch 'dev-3.x' into release-3.18.0-rc-1
Update HISTORY versions.
Version bump for 3.18.0
[event-gestures] Update HISTORY
Merge branch 'dev-master' into dev-3.x
[loader] Update HISTORY
Merge branch 'dev-master' into dev-3.x
[yui] Update HISTORY
Merge branch 'dev-master' into dev-3.x
[loader] Update HISTORY
[loader] Update HISTORY
Merge branch 'dev-master' into dev-3.x