Fixed tests not running when report portal on maintenance

Merge pull request reportportal#189 from iivanou/test_item_as_step

Send item_type for the test item as STEP

Do not pass parameters as empty dictionary

Do not pass parameters as empty dictionary

Update item tags through the attributes

Merge pull request reportportal#164 from iivanou/rp_v5_support

Report Portal V5 support.

Merge pull request reportportal#162 from iivanou/pin_client_version

Update common client version requirement

Merge pull request reportportal#152 from iivanou/handle_exitfirst_cor…

…rectly

Terminate service correctly with the maxfail option

Merge pull request reportportal#129 from iivanou/doc_log_handler

Update an example of the python logging handler usage

Merge pull request reportportal#113 from reportportal/version-1.0.5

version incremented and license changed to Apache

Merge pull request reportportal#113 from reportportal/version-1.0.5

version incremented and license changed to Apache