Merge branch 'master' of github.com:ngageoint/mrgeo
Merge branch 'master' of github.com:ngageoint/mrgeo
Merge branch 'master' into OpImageTestInput
Merge branch 'master' of github.com:ngageoint/mrgeo
Merge branch 'master' into OpImageTestInput
Added slope mapop unit options
Merge branch 'master' into slope
Merge branch 'master' of github.com:ngageoint/mrgeo
Merge branch 'slope'
Add hillshade test
Add hillshading mapalgebra test
Create common OpImageTestUtils class for constructing memory-based source
images for testing OpImages.
 - Re-factor HornNormalOpImageTest and AspectOpImageTest to use OpImageTestUtils
 - Fix golden image for AspectOpImageTest to match the common input images used
Merge branch 'master' of github.com:ngageoint/mrgeo
Merge branch 'OpImageTestInput' to incorporate common OpImage test
code usage into HornNormalOpImageTest and AspectOpImageTest
Merge branch 'master' of github.com:ngageoint/mrgeo
update copyright headers
Backtracked version to 0.5.0-SNAPSHOT

Wanted the opensource version to reflect the fact we are not really
feature complete.
Fixed POM issue
Found and fixed POM error
Merge branch 'master' of github.com:ngageoint/mrgeo