Remove check that plplot core is up to date since that is done automatically by target dependencies and the duplicate use of the plplot_core target name is not a good idea in any case.  The result of this removal is parallel builds now work for the java examples for the first time.
Remove check that plplot core is up to date since that is done automatically
by target dependencies and the duplicate use of the plplot_core target
name is not a good idea in any case.  The result of this removal is parallel
builds now work for the java examples for the first time.

Some style changes.

svn path=/trunk/; revision=8219

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot