[#1812] Make docker install's apache filenames consistent

ckan_default is ugly, but I don't want to have different config and log
file paths in docker installs compared to source or package installs.

Fixes #1812
Fix #1818
Merge pull request #1825 from aitormagan/1818-resource_show_delegation

Fix #1818
Merge pull request #1814 from ckan/1812-make-docker-sites-config-filename-consistent

[#1812] Make docker install's apache filenames consistent
Fix typo 'sucess' => 'success'
Merge pull request #1831 from eeeschwartz/patch-1

Fix typo 'sucess' => 'success'