Merge branch 'release/v.0.6.1' into develop
Update README.md

Changed 'center-date="scrollToToday = fn"' to 'center-date="scrollToDate = fn", '$scope.scrollToToday(new Date());' to $scope.scrollToDate(new Date());' in the "center-date" attribute section.  The angular-gantt.js code has the function defined 'scrollToDate'.
Merge branch 'master' of https://github.com/bbyrdsong/angular-gantt into feature/pull-request-96
Added "How to contribute" chapter in README
Issue #105 Add info on on-gantt-ready to the README file and show this better in the sample app