Remove setenv lines that aren't used.
Add skip-name-resolve to mysql config

This will speed up responses to API requests.

JOINDIN-497 #close Fixed.
update the readme with the correct URL for mailcatcher
Fix Markdown for mailcatcher link.
Merge branch 'lornajane-mailcatcher-readme'
Merge pull request #47 from akrabat/tidy-up-vhost-config

Remove setenv lines that aren't used.
Merge pull request #48 from akrabat/mysql-skip-name-resolve

Add skip-name-resolve to mysql config