Fixes a problem where system's 'java' was used because no runtime was in staging.

Fixes a problem where system's 'java' was used because no runtime was in staging.
classpath-tools-native: New recipe.
javasqlite: Cleaned up DEPENDS, use classpath-tools-native.
libmatthew: Cleaned up DEPENDS, use classpath-tools-native.
midpath: Cleaned up DEPENDS, use classpath-tools-native.
phoneme: Cleaned up DEPENDS, use classpath-tools-native.
rxtx: Cleaned up DEPENDS, use classpath-tools-native.
sqlitejdbc: Cleaned up DEPENDS, use classpath-tools-native.
swt: Cleaned up DEPENDS, use classpath-tools-native.