Build against bnd.next

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Update to version 2.3.0.RC1

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Merge branch 'next'

* next:
  Update to version 2.3.0.RC1
  Build against bnd.next
No longer need the version script: 1 location for the master version

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>