REL-2015: QV: RA filter should wrap around 24hrs if min >= max (e.g. 22..7).
REL-2015: Change filter logic for RA filters to wrap around 24hrs for min > max.
REL-2015: Fixes and additional test dependencies.
REL-2015: Simplifications in dealing with 'dummy' targets with ra=0 & dec=0.
REL-2015: Code cleanup in test code.
REL-2015: Code cleanup in axis code.
REL-2015: Added convenience methods to Angle and RightAscenstion that allow creation from degrees and hours values.
Merge pull request #51 from fnussber/feature/REL-2015

REL-2015: Make RA min/max filter "wrap" in case min > max (e.g. 22 - 7)