Corrects urls to modules and documentations
Support quoted keys in logger config
Add note to docs about quoted logger levels
Swapped security header links

X-XSS-Protection and X-Content-Type were mixed up. Switched them to point to the right locations.
Merge pull request #3599 from megazord/patch-1

Updates modules urls
Merge pull request #3630 from pvlugter/config-quoted-keys

Support quoted keys in logger config
Merge pull request #3633 from muymoo/patch-2

Swapped security header links