fixed error in MeasMoments: missing hsm
(#439)
Add offset option for all image types
(#449)
Use Barney's suggested wording for offset doc.
(#439)
Clean up docs a bit.  Specifically remove references to the SB* classes that users don't know anything about.
(#439)
Merge branch '#439' of github.com:GalSim-developers/GalSim into #439
typo
(#439)
Merge pull request #448 from GalSim-developers/#439

#439 A bunch of fairly small changes
Merge branch 'master' into #449

Conflicts:
	galsim/optics.py