windows bat exit code fix

Return exit code 1 in windows bat script if java application exits with
a return code greater than 0.  Update windows bat regression tests to
check the returned code.
replace tabs with spaces and update test

Change tabs to spaces and adjust indentats.
Print FAILURE for exit code 1 and SUCCESS for exit code 0 in test.
support negative exit code.
Merge pull request #423 from bjuric/win-exit-code

windows bat exit code fix