Update to 2.0.0

[xylar]

Checklist

• User's Guide has been updated if needed
• Developer's Guide has been updated if needed
• API documentation lists any new or modified class, method, or function
• Documentation builds cleanly and changes look as expected
• Tests pass and new features are covered by tests
• PR description includes a summary and any relevant issue references
• Testing comment, if appropriate, in the PR documents testing used to verify the changes

[xylar]

@andrewdnolan, this is ready for the 2.0.0rc2 tag.

[andrewdnolan]

@xylar Sorry, that was really sloppy of me.... Might be time to call it quits for the day.