re-introduce support for the -e flag to Gosu.java
re-introduce support for the -e flag to Gosu.java

The full syntax is:
Usage
    gosu [-classpath 'entry1,entry2...'] program.gsp [args...]
    gosu [-classpath 'entry1,entry2...'] -e 'inline script' [args...]

gosu-lang/gosu-lang,dumitru-petrusca/gosu-lang,gosu-lang/gosu-lang,tcmoore32/sheer-madness,dumitru-petrusca/gosu-lang,gosu-lang/gosu-lang,dumitru-petrusca/gosu-lang,dumitru-petrusca/gosu-lang,gosu-lang/gosu-lang,tcmoore32/sheer-madness,dumitru-petrusca/gosu-lang,tcmoore32/sheer-madness,tcmoore32/sheer-madness,tcmoore32/sheer-madness