Merge remote-tracking branch 'group/master'

Conflicts:
	lib/Core/DataStorage/image.hpp
astyle -r --suffix=none --formatted --options=design/astylerc *.{c,h}pp
set version to 0.7.3
Merge branch 'master' of github.com:DerOrfa/isis

Conflicts:
	lib/ImageIO/imageFormat_nifti_sa.cpp