Revert "removed ckeditor init and commented ckeditor call"

This reverts commit 963c7ed255ab4a43749ba9cc7a17e3e4b1806f86.
Revert "removed ckeditor generated file"

This reverts commit a40a08f965b00936c2ea4f409b51a151b1d5909e.
Revert "remove ckeditor and mini_magick dependencies"

This reverts commit e453a32618110a2c55ea8947ebe940445a973aaa.
added ckeditor/override to simple_blog_admin.js

In order to use rails 4 assets with digest in production environment we
need some preparing. i've added "//= require ckeditor/override" before
ckeditor/init
Merge pull request #9 from xskander/feature/add_back_ckeditor

Feature/add back ckeditor