Updates to compile translations and openassesment config to focus directories

Makefile

@@ -43,7 +43,7 @@ extract_translations:
 
 # compiles the *.po & *.mo files
 compile_translations:
-	i18n_tool generate -v
+	cd ./openassessment/ && i18n_tool generate -v && cd ..
 
 # generate dummy translations
 generate_dummy_translations:

openassessment/locale/config.yaml

@@ -74,6 +74,7 @@ dummy_locales:
 
 # Directories we don't search for strings.
 ignore_dirs:
+    - .tox
     - build
     - docs
     - edx-ora2