6960853: Cleanup makefiles, remove unused vars etc. 6962617: Testcase changes, cleanup of problem list for jdk_tools targets
http://cr.openjdk.java.net/~ohair/openjdk7/test-changes/webrev/ Misc cleanup and matching openjdk6 where it can.The jdk_tools2 target in jdk/test/Makefile is now run in jtreg -samevm mode and all
the jdk_tools* tests have been removed from the ProblemList.txt file. Marked 3 tests with @ignore and a bugid. -kto
