Remove some GAE files from release

Release 0.4.1

Set release date for 0.4

Bump version number and release notes for 0.4-beta3

Bump version and finalize release notes for 0.40-beta2

Update release notes and build.properties for 0.40-beta1

one more upate for demo.iui-js.org - fix music sample manifest

Update versions, copyright dates, etc for forthcoming 0.40dev3 release

bump release date by 1

targetFileName should use zipfilename now (not tarfilename)