Adding parts for the 'Track' application mode
continued to build the TasksWork structure
continued to build the TasksWork structure
-- missed some diff bits
Merge branch 'track' of http://github.com/ijiraq/MOP into track
Adding parts for the 'Track' application mode
continued to build the TasksWork structure
Merge branch 'track' of http://github.com/ijiraq/MOP into track
modified some formatting to get PEP-8.
A somewhat working version of ssos.Query.  Have a look at test_ssos.py for some usage (not really a test yet).
SSOS (forgot to commit Fri, oops)
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Extracted Displayable superclass from DisplayableImageSinglet and 
DisplayableImageTriplet.
Merge remote-tracking branch 'remotes/origin/master' into track

Conflicts:
	src/ossos-pipeline/ossos/gui/app.py
Now creates an SSOSData object for use by the gui
Merge remote-tracking branch 'origin/master' into track
first draft at TrackController (more guidelines)
Created _AxesItem class which handles operations related to a matplotlib
axes.  Removes a lot of the duplication between the singlet and triplet
displayable items.
Added proper xref/x0 yref/y0 values to sourceReadings produced by SSOSParser.  Also, now wcs has a class (WCS) which can be used to hold cr/pv/cd values as needed by sky2xy and xy2sky.
Merge remote-tracking branch 'origin/track' into track