Add Travis continous integration support
Add Travis continous integration support

Since we can't rely on a proper kernel configuration on Travis build
machines (kernel headers, CONFIG_TRACEPOINTS, etc.), building the driver
is currently disabled.

Travis build status will be available at [1].

[1] - https://travis-ci.org/draios/sysdig

Signed-off-by: Christian Babeux <121615a19c17d81bf0b00ae609ee7a168ac58f5a@0x80.ca>

angeloc/sysdig,angeloc/sysdig,angeloc/sysdig,angeloc/sysdig,angeloc/sysdig