Merge pull request #34 from bernie-simon/bsimon-new-version

Bumped version number to 1.0.1
Merge pull request #36 from bernie-simon/bsimon-version-2

Changes to make build independent of version of astropy.
Merge pull request #37 from bernie-simon/bsimon-version-2

Test astropy.__version__ instead of _latest_generated_version
Bumped version number to 1.0.2
Merge pull request #38 from bernie-simon/bsimon-version-2

Bumped version number to 1.0.2
Fix area calculation.

This ensures that the polygons generated by `Graph._trace` are always
clockwise -- even the subpolygons that are joined by cutlines -- so that
the area is stable.
Python 3 compatibility
Merge pull request #39 from mdboom/vertex-ordering

Fix area calculation.
Renamed the stsci_sphere package to spherical_geometry
Merge branch 'master' of https://github.com/spacetelescope/sphere into rename
Added MANIFEST to .gitignore