tail the run_tests.log (100 lines)
Merge pull request #832 from ncos/ispc-mail-tail

tail the run_tests.log (100 lines)
Merge pull request #833 from ncos/ispc_build_fails

Changed LLVM 3.5 repository path to http://llvm.org/svn/llvm-project/llvm/branches/release_35
add separate test fail count for each LLVM revision
made text look more beautiful
Merge branch 'master' of https://github.com/ncos/ispc into log_beautifier
Merge pull request #834 from ncos/log_beautifier

Make test fail counters count fails for each LLVM revision separately.