Remove extraneous parameters that were added simply to prevent compiler ICE

We don't need them with gcc 4.9
Allow flags to be passed to starsha when run via the Makefile.

Also: Mark the makefile as not parallel, because doing parallel make with it will interact badly with starsha.
Merge pull request #37 from cmaloney/starsha_flags

Allow flags to be passed to starsha when run via the Makefile.
Merge pull request #35 from cmaloney/gcc_49_less_ice

Remove extraneous parameters that were added simply to prevent compiler ICE