Fix a test in the asciidoc reader, and add asciidoc to travis so that

the related tests will not be skipped.

.travis.yml

@@ -4,8 +4,9 @@ python:
     - "3.2"
 before_install:
  - sudo apt-get update -qq
- - sudo apt-get install -qq ruby-sass
+ - sudo apt-get install -qq --no-install-recommends asciidoc ruby-sass
 install:
+    - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then ln -s /usr/share/asciidoc/asciidocapi.py ~/virtualenv/python2.7/lib/python2.7/site-packages/; fi
     - pip install nose mock --use-mirrors
     - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then pip install --use-mirrors unittest2; else pip install --use-mirrors unittest2py3k; fi
     - pip install . --use-mirrors

pelican/readers.py

@@ -285,7 +285,8 @@ class AsciiDocReader(Reader):
     def read(self, source_path):
         """Parse content and metadata of asciidoc files"""
         from cStringIO import StringIO
-        text = StringIO(pelican_open(source_path))
+        with pelican_open(source_path) as source:
+            text = StringIO(source)
         content = StringIO()
         ad = AsciiDocAPI()