Switch to Travis Trusty beta to update PCRE version

oprypin · oprypin · commit 2323fd956c8a · 2015-10-15T15:49:58.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -36,3 +36,5 @@ cache:
   directories:
     - nim-master
     - nim-devel
+sudo: required
+dist: trusty
