Fixed #22130 -- fixed template_tests/defaultfilters order dependent test failure
Restored aliases for two APIs removed by app-loading.
Merge pull request #2383 from erikr/fix-tests-fix-ampersands-deprecation

Fixed #22130 -- fixed template_tests/defaultfilters order dependent test failure
Fixed some typos in the documentation.

Thanks to Rodolfo Carvalho and Piotr Kasprzyk
for the patch.
Removed WSGI upgrade instructions for Django 1.3 and earlier.