Built new HTML docs.
Updated the change log.
Added tag release_1.3 for changeset b919da7e0135
Added properties to allow axis labels to be positioned independent of the tick direction. Fixed issue 538.
Built new HTML docs.
Changed some method calls to property syntax for readability.
Added static keyword to some local constants.
Merged the default branch into the release-2.0 branch.
Turned off documentation warnings.