Merge branch 'ls/travis-enable-httpd-tests' into maint

Allow http daemon tests in Travis CI tests.

* ls/travis-enable-httpd-tests:
  travis-ci: enable web server tests t55xx on Linux

diff --cc .travis.yml
index c2b76f9,3c54080..477c3d2
--- 1/.travis.yml
--- 2/.travis.yml
+++ b/.travis.yml
@@@ -18,7 -18,7 +18,8 @@@ addons
    apt:
      packages:
      - language-pack-is
 +    - git-svn
+     - apache2
  
  env:
    global: