Don't update render attributes on layouts
Clean up option setting for file model. Renamed outDirPath option to rootOutDirPath to avoid conflicts with the outDirPath attribute
Added a changelog for the latest development
Fix #558
v6.45.1. Bugfix.

- v6.45.1 July 23, 2013
	- Fix `safeps is not defined` error
		- Thanks to [Carlos Rodriguez](https://github.com/carlosrodriguez)
for [issue #558](https://github.com/bevry/docpad/issues/558)
merged with master