Fix more rare race conditions. Use a global mutex for all the open/close

Flags were wrongly overwritten

Abort, instead of keeping going with a NULL pointer, if key parts of …

…the trace file are missing

assert on debian squeeze

sysdig uses the local time of the local machine to render timestamps,…

… so for the tests they need to be normalized to UTC

typo was preventing the right description

Formatting and Draios updates

fix potential memory leak when invalid line is skipped

Merge pull request draios#75 from lazy404/ipv6Fix

sysdig fails to start if ipv6 is disabled

Wait for lua when parallel compilation is enabled (draios#16)