nl2br restore() better callback - see Issue #67

to match all PHP version since 5.2.6
markup-buttons of extended editor work now (#66)
data-tarea was set two times, the first being body
Fix drag'n drop in plugin configs
As discussed in #65. Uses a simpler approach to detect the order of the items and their activation at the same time
Don't emit comments, trackbacks or comment form in backend preview.

Fix by @onli. References #62