Merge pull request #349 from shaitan/master

Monitoring: fixed warning on build. Test: fixed run_test.py (master)
Merge pull request #350 from shaitan/master

Tests: fixed build on rhea 5 (master)
Merge pull request #352 from shaitan/master

Tests: running run_tests.py with proper python. (master)
file_logger: do not accept default log-level, force client to provide correct one
Merge branch 'master' of github.com:reverbrain/elliptics