Add gulp alternative instead of utilizing ant and guard.

Signed-off-by: crynobone <crynobone@gmail.com>
Remove gulp related file from export.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1'

Signed-off-by: crynobone <crynobone@gmail.com>

Conflicts:
	composer.json
Make Extension optional.

Signed-off-by: crynobone <crynobone@gmail.com>
Add passthru for bound.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1'