Remove duplicate from contributers
Remove commented-out line
Prevent glob() from including folders
Make asset urls scheme-relative, to avoid http/https issues.

Also Use \Uri::base(false) instead of \Config::get('base_url'), and
make sure a trailing slash is present.

This means that the config key is now null by default.
Add Katsuma Ito to contributers
Merge branch 'feature/scheme-relative' into develop

* feature/scheme-relative:
  Add Katsuma Ito to contributers
  Make asset urls scheme-relative, to avoid http/https issues.

Closes #30
Added more twig extension functions.

Closes #33
Add getter for cache_path

Closes #34
Bump version to v1.19
Update changelog
Merge branch 'release/1.19' into develop

* release/1.19:
  Update changelog
  Bump version to v1.19
Add new(ish) twig functions to addons readme