Bump Version 0.2.4,
Add banners,
Update README,
Update README,
Fix Behavior on Network Install(Multisite),
Bump Version to 0.2.4-dev,
Fix #6: Correct Argument Index,
Fix #5: Update README

git-svn-id: https://plugins.svn.wordpress.org/opcache/trunk@971633 b8457f37-d9ea-0310-8a92-e5e31aec5664