Monitoring: fixed warning on build.
Tests: fixed run_test.py
Merge pull request #349 from shaitan/master

Monitoring: fixed warning on build. Test: fixed run_test.py (master)
Tests: fixed build on rhel 5
Merge pull request #350 from shaitan/master

Tests: fixed build on rhea 5 (master)
Tests: running run_tests.py with proper python.
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
Core: Limited size of io queues to the number of io threads * 1000. Added building iterate.cpp from example to main build without installation.
cpp: Changed mix_states behaviour

Now it don't throw exception but returnes non-positive error_info
object to determine if mix_states was successfull
WIP: Documentation warnings
Added forgotten doc/Doxy*.in files
Get rid of get_node calls
docs: Don't try to install documentation

Debuild/rpm scripts are not ready for it yet
tests: Don't make artifacts if test is successfull
Core: added checking epoll_events
Merge pull request #343 from euroelessar/master

Doxygen & mix_states improvements (master)
pool: added comment on how client handles replies in multiple IO threads
Core: removed useless checks.
Monitoring: Added rwlock on access to dnet_node::monitor