adjust to src/ based project layout

.coveragerc

@@ -2,12 +2,12 @@
 
 [run]
 branch = True
-source = nsupdate
+source = src/nsupdate
 omit =
-    */migrations/*
-    */_tests/*
-    nsupdate/wsgi.py
-    nsupdate/settings/*
+    src/*/migrations/*
+    src/*/_tests/*
+    src/nsupdate/wsgi.py
+    src/nsupdate/settings/*
 
 [report]
 # Regexes for lines to exclude from consideration

setup.py

@@ -18,7 +18,8 @@ setup(
     description='A dynamic DNS update service',
     long_description=readme_content,
     keywords="dyndns ddns dynamic dns django",
-    packages=find_packages(exclude=['_tests', ]),
+    packages=find_packages('src', exclude=['_tests', ]),
+    package_dir={'': 'src'},
     package_data={
         'nsupdate': [
             'templates/*.html',