Test adding codecov analysis

.travis.yml

@@ -13,3 +13,4 @@ script:
   - coverage run --source=../evennia --omit=*/migrations/*,*/urls.py,*/test*.py,*.sh,*.txt,*.md,*.pyc,*.service ../bin/unix/evennia test evennia  
 after_success:
   - coveralls
+  - codecov

requirements.txt

@@ -12,3 +12,4 @@ inflect
 # testing
 mock >= 1.0.1
 anything
+codecov