Fixed #274.

Added command line arguments to YAESS start log.
Add "Xpackaging" option to DSL compiler (#275).

With "Xpackaging=DISABLED" in compiler switches, the compiler will skip
compiling generated Java sources and creating package archives.
Merge remote-tracking branch 'private/issue/274' into 0.5-develop
Merge remote-tracking branch 'private/issue/275' into 0.5-develop
Merge remote-tracking branch 'central/0.5-develop' into 0.5-release
Bumped version number to 0.5.0-RC2