Added a line to the config.summary and terminal output that specifies what command was used to run configure.  Moved specification of defaults related to command line args to defaults.in.
Added a line to the config.summary and terminal output that specifies
what command was used to run configure.  Moved specification of defaults
related to command line args to defaults.in.

svn path=/trunk/; revision=1713

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