v6.63.1. Bugfix. Improvement.

- v6.63.1 January 30, 2014
	- Fixed gobbling of error messages during `contextualizeFiles`, `renderFiles` or `writeFiles` (regression since v6.59.2)
		- Thanks to [Rob Loach](https://github.com/RobLoach), [Nathan Rijksen](https://github.com/Naatan) for [issue #784](https://github.com/bevry/docpad/issues/784)
	- All task groups and tasks we define are now named (makes for easier debugging)
	- Updated dependencies