* moved some admin html code from php to twig templates (.html files)
* minimum PHP version required by installer is now 5.1.2, cause of spl_autoload_register functon.
* depracated Twig to version 1.20.0 cause of Autoloader
* removed unused admin stylish template
* full support for OTHire 0.0.3
* added support for otservers that doesn't use account.name field,
instead just account number will be used
* (install) moved admin account creation to new step
* fixed encryption detection on 0.3
* fixed bug when server_config table doesn't exist
* other fixes
* more info displayed when cannot connect to database
* added Cache:delete($key) function
* added support for OTHire 0.0.3
* deleted unused ODBC and PostgreSQL files
* fixed support for Gesior layouts
