Made settings more secure by default
Made settings more secure by default

This closes #59

The following setting has not been resolved, intentionally.

```
WARNINGS:
?: (security.W004) You have not set a value for the SECURE_HSTS_SECONDS setting. If your entire site is served only over SSL, you may want to consider setting a value and enabling HTTP Strict Transport Security. Be sure to read the documentation first; enabling HSTS carelessly can cause serious, irreversible problems.
```

urandu/mfl_api,urandu/mfl_api,MasterFacilityList/mfl_api,urandu/mfl_api,urandu/mfl_api,MasterFacilityList/mfl_api,MasterFacilityList/mfl_api,MasterFacilityList/mfl_api,MasterFacilityList/mfl_api