Moment.js 2.0.0

- Added short form localized tokens. - Added ability to define language a string should be parsed in. - Added support for reversed add/subtract arguments. - Added support for endOf('week') and startOf('week'). - Fixed the logic for moment#diff(Moment, 'months') and moment#diff(Moment, 'years') - moment#diff now floors instead of rounds. - Normalized moment#toString. - Added isSame, isAfter, and isBefore methods. - Added better week support. - Added moment#toJSON - Bugfix: Fixed parsing of first century dates - Bugfix: Parsing 10Sep2001 should work as expected - Bugfix: Fixed wierdness with moment.utc() parsing. - Changed language ordinal method to return the number + ordinal instead of just the ordinal. - Changed two digit year parsing cutoff to match strptime. - Removed moment#sod and moment#eod in favor of moment#startOf and moment#endOf. - Removed moment.humanizeDuration() in favor of moment.duration().humanize(). - Removed the lang data objects from the top level namespace. - Duplicate Date passed to moment() instead of referencing it.