set version code 200 name 0.2
add app description as a local resource embedded into the APK
setup-ant: automatically find `android` command
make-release-build: try slowing down time to 5% to get `ant` working

ant is not happy running with frozen time, but it will run with the clock
running at 5% of normal speed. This increases the changes that timestamps
will be the same between builds, but it often misses.
add script for comparing a release build to the official build
update to build against latest SDK