Add urlgrabber and pycurl in requirements.txt and .travis.yml

.travis.yml

@@ -5,6 +5,8 @@ python:
 # command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
 install:
   - pip install python-coveralls
+  - pip install pycurl
+  - pip install urlgrabber
   - pip install -r requirements.txt
   - sudo mkdir -p /var/cache/repo-checker
   - sudo chown $USER /var/cache/repo-checker

requirements.txt

@@ -1,6 +1,9 @@
 PyYAML
+pycurl
+urlgrabber
 git+https://github.com/openSUSE/osc
 
 # Dependencies for testing
 httpretty
 mock
+