CURRIKI-6056 : PROJECT: Activate Wysiwyg 2.0 instead of TinyMCE

Fixed wysiwyg editor "text is centered by default in wysiwyg" by adding
the wysiwyginput.vm from templates and appending a new stylesheet loaded
only in iframe.
CURRIKI-6056 : PROJECT: Activate Wysiwyg 2.0 instead of TinyMCE

Added the standard wysiwyg editor configuration documents from 3.5.1 ui
all xar.
Merge pull request #5 from flaviusx/WYSIWYG

CURRIKI-6056 progress from Flavius. 
thanks

Paul