Bug #4111 : adding new parameter in smtpSettings.properties.
- forceReplyToSenderField : indicates that "Reply To" (e-mail) have to be filled as the sender is not the system
fixing bug #4177
When copying WYSIWYG content from an application instance to another, URL to inner images were not correctly managed.
These images were copied but their componentId part of URL was not correct.
fixing bug #3832
when drag and drop ends, returning the fact that a folder was created
fixing bug #1492
Now, WYSIWYG content is written on disk in UTF-8
core #5.11.x :  Feature #4178 : Adding support for LibreOffice 3.6
Merge branch 'master' into feature-4149