Merge pull request #69 from eighthave/courier

release build fixes, document jar sources and add javadoc
Add feedback card to help screen
Merge pull request #80 from N-Pex/courier

Add feedback card to help screen
remove sed syntax that does not work on Mac OS X
make-release-build: only delete files when --hard-reset flag is given
include ant.properties copied in by make-release-build