fix_request_uri static
Move escape method in Database class and make escape_real private
Merge branch 'oop' of github.com:YOURLS/YOURLS into oop

# By Léo Colombaro
# Via Léo Colombaro
* 'oop' of github.com:YOURLS/YOURLS:
  Prefer secure connection for badges in README
README fixes for future wiki rewrite
Fixes LICENSE repetition and bad extension
Docs have been moved in wiki
Reflect LICENSE renaming
First Administration review
Prepare API Request class
Separate user static options
ezSQL: composer it temporarily but keep it outside the repo
Update deps and make grunt tasks more compliant
Hé hé

Deletes these files because they are to bad for security and user
comprehension.
Furthermore, we need to rewrite it, and it looks like better to share
this kind of template in docs.
The best, when we will have an Installer, we will be able to auto
generate them.