Travis: Try adding Python2.7 to the tests

.travis.yml

@@ -1,11 +1,19 @@
 language: python
 python:
+    - '2.7'
     - '3.3'
     - '3.4'
 before_install:
     - sudo add-apt-repository ppa:texlive-backports/ppa -y
     - sudo apt-get update
 install:
-    - sudo apt-get install texlive-latex-extra texlive-pictures
+    - wget https://launchpad.net/awkwardduet/1.1/1.1a4/+download/awkwardduet-1.1a4.tar.gz
+    - tar -xzvf awkwardduet-1.1a4.tar.gz
+    - cd awkwardduet-1.1a4
+    - sudo apt-get install python3.4
+    - sudo python3.4 setup.py install
+    - cd ..
+    - ./convert_to_py2.sh
     - pip install .
+    - sudo apt-get install texlive-latex-extra texlive-pictures
 script: ./testall.sh