Travis CI testing: Update make parameters (unstable -> experimental).

git-svn-id: http://svn.aircrack-ng.org/trunk@2443 28c6078b-6c39-48e3-add9-af49d547ecab
Travis CI testing: Also test compilation with pcre.

git-svn-id: http://svn.aircrack-ng.org/trunk@2444 28c6078b-6c39-48e3-add9-af49d547ecab