BUG: Check if the compiler is gnu. If it is, do not do special platform tests. Fixes Bug #1215 - bootstrap uses native flags with gnu compiler on OSF

ENH: Move permissions code to kwsys so that copyfile can use it. Fixes Bug #1133 - cmake -E copy file dir sets the wrong permissions on the destination directory

BUG: If extra update failes, continue with dashboard. Closes Bug #894 - Fatal CVS update error kills test, and is not reported

ENH: Move all extracting of variables to ExtractVariables. This way it is easy to know what variables are used

ENH: remove classpath so that this test passes with older java compilers that clober the system class path with the -classpath option