test user settings
fix urls
fixes a lot of i18n issues with toolbar language
Fix typo: "cms_apps.py" should be "cms_app.py"

The cms_app.py file is erroneously referred to as "cms_apps.py" at one point.
Merge pull request #2519 from miloprice/patch-2

Fix typo: "cms_apps.py" should be "cms_app.py"
Merge pull request #2512 from digi604/user_settings

test user settings and localize all items in frontend editing
Update CHANGELOG.txt
Merge branch 'develop' into fix-2482

Conflicts:
	cms/middleware/toolbar.py
	cms/tests/toolbar.py