fixes #2261 - fixes for CI testing under Ruby 1.9
Support minitest in Jenkins rake tasks, add rdoc and minitest deps due toold 1.9.2 versions. Fix PLATFORM under 1.9, fix 1.9.3 specific test.
fixes #2261 - fixes for CI testing under Ruby 1.9
Support minitest in Jenkins rake tasks, add rdoc and minitest deps due to
old 1.9.2 versions. Fix PLATFORM under 1.9, fix 1.9.3 specific test.