BUG: Fix ImageViewer superbuild and other inconsistencies
ENH: Add back RegisterImages application to build
Merge pull request #61 from jamiesnape/FixSuperbuildAndDashboards

BUG: Fix ImageViewer superbuild and other inconsistencies
Merge pull request #62 from jamiesnape/AddRegisterImages

ENH: Add back RegisterImages application to build
ENH: Add KWStyle tests