adding @GROUP syntax for GROUPS.yaml
making ? look up against GROUPS.yaml
Merge pull request #12 from grierj/master

Add list output to crange
Adding range-sync:
- basic config (root/etc/range/range-sync.conf)
- lib files (source/seco/range/sync)
- bin (root/usr/bin/range-sync)
Merge pull request #13 from craig5/master

range-sync
Fixup for recent release of seco.range.sync