Travis-CI: "sudo: false" to use the lighter container-based builds

Author: dolmen

.travis.yml

@@ -1,5 +1,3 @@
-sudo: false
-
 language: perl
 
 perl:
@@ -12,6 +10,9 @@ perl:
    - "5.10"
    - "5.8"
 
+# Use the container-base Travis infrastructure
+sudo: false
+
 notifications:
    on_success: change
    on_failure: always