Upgraded soot to 2.5.0 (still a few errors in G, PackManager and Singletons and untested). (#272)
Patched previously fixed bugs in Soot after upgrading to Soot 2.5.0. (#272)
Fixed compilation errors in the new G, PackManager and Singleton classes from Soot 2.5.0. (#272)
Merge branch 'soot-2.5.0'