replace casperjs with selenium

tests/common/common.py

@@ -0,0 +1,24 @@
+import os
+if os.getenv('CI_BASE_URL'):
+  BASE_URL = os.getenv('CI_BASE_URL')
+else:
+  BASE_URL = u'http://127.0.0.1:8000'
+
+if os.getenv('CI_USERNAME'):
+  USERNAME = os.getenv('CI_USERNAME')
+else:
+  USERNAME = u'test@test.com'
+
+if os.getenv('CI_PASSWORD'):
+  PASSWORD = os.getenv('CI_PASSWORD')
+else:
+  PASSWORD = u'testtest'
+
+def getBaseUrl():
+  return BASE_URL
+
+def getUserName():
+  return USERNAME
+
+def getPassword():
+  return PASSWORD