Extract path creation to private standalone functions.
Replace default location of stores to ~/Library/Application Support/<AppName>/<AppName>.sqlite
use MR_ prefix for copyToURL:error: method
project updates
Merge branch 'release/3.0' of https://github.com/magicalpanda/MagicalRecord into release/3.0

Conflicts:
	Library/Categories/CoreData/NSPersistentStore+MagicalRecord.m