start using coverage and add license badge on README page

Author: conradho

.travis.yml

@@ -18,3 +18,4 @@ install:
 
 script:
   - pytest
+  - pytest --cov=pythonanywhere --cov=scripts --cov-fail-under=65

README.md

@@ -1,4 +1,6 @@
 [![Build Status](https://travis-ci.org/pythonanywhere/helper_scripts.svg?branch=master)](https://travis-ci.org/pythonanywhere/helper_scripts)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+
 
 # PythonAnywhere helper scripts
 
@@ -23,6 +25,8 @@ Pull requests are welcome!  You'll find tests in the [tests](tests) folder...
     # running the tests:
     pytest
 
+    # make sure that the code that you have written is well tested:
+    pytest --cov=pythonanywhere --cov=scripts
+
     # to just run the fast tests:
     pytest -m 'not slowtest' -v
-

requirements.txt

@@ -1,6 +1,19 @@
+certifi==2018.10.15
+chardet==3.0.4
+cookies==2.2.1
+coverage==4.5.1
 docopt==0.6.2
+idna==2.6
+pbr==5.1.0
 psutil==5.4.0
+py==1.7.0
 pytest==3.2.3
+pytest-cov==2.6.0
 requests==2.18.4
 responses==0.8.1
+six==1.11.0
+stevedore==1.30.0
+urllib3==1.22
+virtualenv==16.0.0
+virtualenv-clone==0.4.0
 virtualenvwrapper==4.8.2