travis: run in containers

.travis.yml

@@ -1,8 +1,6 @@
 language: c
 compiler: gcc
-before_install:
-    - sudo apt-get update -qq
-    - sudo apt-get install -y libsqlite3-dev libsctp-dev libradiusclient-ng-dev libhiredis-dev unixodbc-dev libconfuse-dev libmysqlclient-dev libexpat1-dev libxml2-dev libpq-dev flex bison zlib1g-dev libperl-dev libsnmp-dev libdb-dev libldap2-dev libcurl4-gnutls-dev libgeoip-dev libpcre3-dev libmemcached-dev libmicrohttpd-dev librabbitmq-dev liblua5.1-0-dev libncurses5-dev libjson0-dev libmemcache-dev
+sudo: false
 addons:
     apt:
         packages:
@@ -33,4 +31,4 @@ addons:
             - libncurses5-dev
             - libjson0-dev
             - libmemcache-dev
-script: FASTER=1 make -j exclude_modules="db_oracle osp sngtc cachedb_cassandra cachedb_couchbase cachedb_mongodb" all
+script: FASTER=1 make exclude_modules="db_oracle osp sngtc cachedb_cassandra cachedb_couchbase cachedb_mongodb" all