Add autoload function to main config file.
Add better DIR declarations in config file based on __DIR__ for libs &
smarty classes.
Load all class files with the new autoload function in header & direct
file calls.
If no page list data for admin backend is read, the pages array is not
set, init it, so it doesn't throw an error.
Update jquery 1 to 1.11.1, jquery 2 to 2.1.1 and prototype to 1.7.1.0
