Toast Position Support

Support for showing the Toast either at the top or the bottom of the
screen.
Fix for Xcode 6.1 update
Merge branch 'develop'

* develop:
  Fix for Xcode 6.1 update
  Toast Position Support

Conflicts:
	JLToast/JLToast.swift
	JLToast/JLToastView.swift
Updated the license in preparation for adding breaking changes which deviate from the main source base - not a big fan of the language used :)