[BUGFIX] handle elderly versions of ext/cURL which do not provide ip and port
[FEATURE] Make sure we do not import an users tweet twice
[TASK] Add noisy error messages in case DB import fails
[FEATURE] Add twitter search dataimport
[TASK] Test for TYPO3 artefacts first without given path
[TASK] Skip worker results w/o IP and port
[FEATURE] Skip tweets without urls
Merge remote branch 'origin/master'