Used fixtures in eloop test.
Renamed read test for eloop.
Added (still failing) file descriptor close test for eloop.
Fixed check on return code of container destroy.
Added test for SignalHandler.
Right labels for SignalHandler test suite and test case.
Added tests for TcpServer.
Coding style.
Fixed include dir for tests.
Moved test_tcp_client in its own files.
Removed Eon3D reference.