userspace: remove some trailing whitespace
userspace/libsinsp/parsers.cpp: filter out events about sysdig digs sysdig
userspace: add option to enable sysdig to capture events about itself
userspace/libsinsp/parsers: fix compile error on windows
userspace/libsinsp/parsers: cache the current pid and get_thread_info
userspace/libsinsp: get thread info about a event only for live capture
userspace/sysdig: update man page with -D option
Merge pull request #78 from ret2libc/master

sysdig digs sysdig (#52)