Add sub-environments for the lms that is running alongside the lms for debugging

lms/envs/cms/dev.py

+"""
+Settings for the LMS that runs alongside the CMS on AWS
+"""
+
+from ..dev import *
+
+MODULESTORE = {
+    'default': {
+        'ENGINE': 'xmodule.modulestore.mongo.MongoModuleStore',
+        'OPTIONS': {
+            'default_class': 'xmodule.raw_module.RawDescriptor',
+            'host': 'localhost',
+            'db': 'xmodule',
+            'collection': 'modulestore',
+            'fs_root': DATA_DIR,
+            'render_template': 'mitxmako.shortcuts.render_to_string',
+        }
+    }
+}

rakefile

@@ -125,8 +125,8 @@ TEST_TASKS = []
     end
 
     # Per environment tasks
-    Dir["#{system}/envs/*.py"].each do |env_file|
-        env = File.basename(env_file).gsub(/\.py/, '')
+    Dir["#{system}/envs/**/*.py"].each do |env_file|
+        env = env_file.gsub("#{system}/envs/", '').gsub(/\.py/, '').gsub('/', '.')
         desc "Attempt to import the settings file #{system}.envs.#{env} and report any errors"
         task "#{system}:check_settings:#{env}" => :predjango do
             sh("echo 'import #{system}.envs.#{env}' | #{django_admin(system, env, 'shell')}")