mesos parsing and filtering optimizations

typos

Sendmsg fix on 32bit

one more change to make mouse selection work on iterm

mac link fix

add sinsp_curl

Fix memory leak

Move comparison operator definitions

Move comparison ops from driver to userspace/libsinsp where they
belong (the driver doesn't know about filters).

mesos leader follow; fix state rebuild bug; remove dead marathon watc…

…h code; other minor improvements

Merge pull request draios#518 from draios/rkt

Rkt