+ set minSdkVersion to 3, so we run on Android 1.5
+ set targetSdkVersion to 11, so we run without compatability hacks.
- otherwise the terminal emulator screen size calculation is
incorrect and scrolling doesn't work on Android 2.3 devices.
+ add a res/drawable/app_terminal.png file, so that we get a
custom launcher icon on Android 1.5 devices.
+ bump version name to 1.0.22.
+ add files to support building from command line using "ant".