Fix comments

.travis.yml

@@ -12,10 +12,9 @@ before_install:
 install: 
   - pip install --use-mirrors Django==$DJANGO_VERSION GitPython south django-registration whoosh translate-toolkit lxml
   - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install --use-mirrors  importlib ; fi
-  - 
+  - # Environment setup
   - export VIRT_ROOT=/home/travis/virtualenv/python$TRAVIS_PYTHON_VERSION
   - export PKG_CONFIG_PATH=$VIRT_ROOT/lib/pkgconfig
-  - 
   - # PyCairo
   - wget http://www.cairographics.org/releases/py2cairo-1.10.0.tar.bz2
   - tar xf py2cairo-1.10.0.tar.bz2
@@ -24,7 +23,6 @@ install:
   - ./waf build
   - ./waf install
   - cd ..
-  - 
   - # PyGobject
   - wget http://ftp.gnome.org/pub/GNOME/sources/pygobject/2.28/pygobject-2.28.6.tar.bz2
   - tar xf pygobject-2.28.6.tar.bz2
@@ -33,7 +31,6 @@ install:
   - make
   - make install
   - cd ..
-  - 
   - # PyGtk
   - wget http://ftp.gnome.org/pub/GNOME/sources/pygtk/2.24/pygtk-2.24.0.tar.bz2
   - tar xf pygtk-2.24.0.tar.bz2