- Compatibility with MODX 2.3.
- UI improvements.
Fixed #20 - added "send all" button to queues grid.
- Compatibility with MODX 2.3.
- UI improvements.
Merge branch 'modx23' into send_all

Conflicts:
	core/components/sendex/docs/changelog.txt
- Compatibility with MODX 2.3.
- UI improvements.
Merge branch 'modx23' into send_all

Conflicts:
	core/components/sendex/docs/changelog.txt
Improvements for MODX 2.2