Revert "attempt building openssl from source"

This reverts commit a24fee4.

.travis.yml

@@ -5,11 +5,9 @@ python:
   - 3.3
   - 3.5
 before_install:
-  - curl https://www.openssl.org/source/openssl-1.0.2g.tar.gz | tar xz
-  - cd openssl-1.0.2g && sudo ./config && sudo make && sudo make install
-  - sudo ln -sf /usr/local/ssl/bin/openssl `which openssl`
-  - openssl version -v
-  - cd ..
+  - sudo add-apt-repository ppa:0k53d-karl-f830m/openssl -y
+  - sudo apt-get update
+  - sudo apt-get install openssl
 install:
   - pip install pytest==3.0.6
   - pip install pytest-cov pybuilder coveralls pytest-mock mock responses