Merge pull request #108 from jjhelmus/master

Support for vertical pointing scans and bug fixes
Merge pull request #110 from jjhelmus/master

BUG: GridMapDisplay.plot_colorbar should allow cax=None.
Merge pull request #113 from jjhelmus/master

Enhancements and bug fixes based on issues
MAINT: renamed CyLP to cylp
Merge pull request #114 from jjhelmus/hotfix_cylp

MAINT: renamed CyLP to cylp