Update version and build script for 1.5
Fixed all Compile errors with Forge 7.7.1

Updated the mcmod.info to only refer to Forge
Updated BackupModContainer to refer to MC 1.5.1
Changed the logger to use the server LogAgent.
IClassTransformer tranform() now has 3 params not 2
JsonNodeDoesNotMatchPathElementsException is not public.
Noticeable changes from 1.4.7 to 1.5.1
saveHandler.getSaveDirectory() -> saveHandler.getWorldDirectory()
saveHandler.getSaveDirectoryName() -> saveHandler.getWorldDirectoryName()
Configuration reading changes, Property.value now private, uses getString() instead
valueList is replaced by getStringList().
Fix issue with long filenames into tar files

Added tar file as an additional compression type as most of the
work is now in this class, and gzip and bzip2 jst contribute the
compression streams.
Bump forge version 'slightly'