Update civet.inl.gov
Update civet.inl.gov

Django patched to 1.11.18.
Update requirements.txt to reflect change.

brianmoose/civet,idaholab/civet,brianmoose/civet,idaholab/civet,brianmoose/civet,brianmoose/civet,idaholab/civet,idaholab/civet