Make PARALLEL_COMPILES the default in j2se workspace

This option has proven reliable, make the dfeault compile 2 at a time.
###@###.### 2004-12-16 23:49:44 GMT

Only applies to Linux and Solaris.
###@###.### 2004-12-16 23:50:37 GMT

Also need to fix the problem were it constantly relinks after the first
gnumake.

###@###.### 2004-12-17 04:56:18 GMT

Will also attempt to fix the "always re-linking" problems on a second
build, for other reasons...
###@###.### 2004-12-17 21:14:07 GMT