Move .coveragerc and .bumpversion to setup.cfg

Author: Saurabh Kumar

.bumpversion.cfg

@@ -1,3 +1,11 @@
+[bumpversion]
+current_version = 0.10.3
+commit = True
+tag = True
+
+[bumpversion:file:src/dotenv/version.py]
+
+
 [bdist_wheel]
 universal = 1
 
@@ -13,3 +21,15 @@ description-file = README.rst
 
 [tool:pytest]
 testpaths = tests
+
+[coverage:run]
+source = dotenv
+
+[coverage:paths]
+source =
+    src/dotenv
+    .tox/*/lib/python*/site-packages/dotenv
+    .tox/pypy*/site-packages/dotenv
+
+[coverage:report]
+show_missing = True