Fix typos
Merge pull request #226 from ryanchapman/master

Fix typos
sinsp_filter_check_fd::compare_port now makes sure that the FD is actually a socket
try a cleaner output for travis
better filter operator check for ports
Merge pull request #227 from dkogan/master

completion no longer says which fields are FILTER-ONLY
--version command line flag to print the version number
three new filter fields: evt.deltatime evt.deltatime.s and evt.deltatime.ns + -tD flag to show time from previous event
consolidate snaplen management into a separate function called by val_to_ring
a bit more work on dynamic snaplen
Resubmit of spy_file chisel.  See github sysdig issue #230 for previous conversation.

Example usage:

[root@web01 ~]# sysdig -c spy_file "rw /var/log/messages"
22:10:30.827285182 rs:main(25251) W 72B /var/log/messages
Aug 22 22:10:30 web01 mod_wsgi[23998]: XXXXXXXXXX RPC: get_map(raw = 1)

22:10:31.179507012 rs:main(25251) W 72B /var/log/messages
Aug 22 22:10:31 web01 mod_wsgi[26529]: XXXXXXXXXX RPC: get_map(raw = 1)
Merge pull request #232 from ryanchapman/master

Resubmit of spy_file chisel.  See github sysdig issue #230 for previous ...
cleanups
new scap functions: scap_enable_dynamic_snaplen and scap_disable_dynamic_snaplen
new scap functions: scap_enable_dynamic_snaplen and scap_disable_dynamic_snaplen
export scap_enable_dynamic_snaplen and scap_disable_dynamic_snaplen under windows
correct return value in the two new ioctls
improve the heuristic to detect when an entry in /proc is a kernel thread.
wrong file name
decrese scap minimum read size to 2KB