Moves cache config to config file, refactors PDO config (since SQLite is now prod db)
Moves cache config to config file, refactors PDO config (since SQLite is now prod db)

jeremykendall/flaming-archer,jeremykendall/flaming-archer,jeremykendall/flaming-archer,jeremykendall/flaming-archer,jeremykendall/flaming-archer,jeremykendall/flaming-archer