Add templates to coverage

.coveragerc

@@ -0,0 +1,5 @@
+[run]
+include = ojusomap/*
+omit = *migrations*, *tests*
+plugins =
+    django_coverage_plugin

requirements/test.in

@@ -1,5 +1,6 @@
-pytest
-pytest-django
-pytest-cov
 django-override-storage
+django_coverage_plugin
+pytest
+pytest-cov
+pytest-django
 selenium

requirements/test.txt

@@ -6,7 +6,8 @@
 #
 atomicwrites==1.2.1       # via pytest
 attrs==18.2.0             # via pytest
-coverage==4.5.1           # via pytest-cov
+coverage==4.5.1           # via django-coverage-plugin, pytest-cov
+django-coverage-plugin==1.6.0
 django-override-storage==0.1.6
 more-itertools==4.3.0     # via pytest
 pluggy==0.7.1             # via pytest
@@ -15,4 +16,4 @@ pytest-cov==2.6.0
 pytest-django==3.4.3
 pytest==3.8.1
 selenium==3.12.0
-six==1.11.0               # via more-itertools, pytest
+six==1.11.0               # via django-coverage-plugin, more-itertools, pytest