You can now specify a comma seperated list of additional directories within property dir.images.additional inside project.properties. All .jpg and .png images within these directories will be optimized.
Changed so you instead set a comma seperated list for dir.images
Merge branch 'feature-multiple-image-directories' of https://github.com/ziggys/ant-build-script into ziggys-feature-multiple-image-directories
added multiple image directories as an option
Merge remote-tracking branch 'origin/master' into 1.0

Conflicts:
	build.xml
	config/default.properties
	config/project.properties
Post merge clean-up

Lots to do here merging all the work I'd done with the image tasks with
the great work from Ziggy's 2 PRs. I also cleaned up the properties
files and added a version task. Woot.