Log Message:
Updating devel/svk from 2.2.1nb2 to 2.2.3

pkgsrc changes:
- add license definition
- clean-up and sort dependencies

Upstream changes:
[Changes for 2.2.3 - 21 Mar, 2010]
  Fix META.yml.

[Changes for 2.2.2 - 10 Mar, 2010]
  Subversion 1.6.x compatiblity fixes.