Coping the whole style to export package
restore commoncartridge options
delete note idevice icon (with upgradeToVersion)
SCORM: removing some sequencing labels
Responsive images and videos. See https://forja.cenatic.es/tracker/?group_id=197&atid=883&func=detail&aid=2030
TinyMCE configuration: entity_encoding is set to "raw". UFT-8 from now on. See https://forja.cenatic.es/tracker/?func=detail&atid=883&aid=1811&group_id=197
JS performance: Get elements just once.
MediaElement.js did not respect the paragraph text alignment. We try this CSS solution. If we find any problem, we'll center the elements using JavaScript.
Changes in SCORM2004
Changes in SCORM1.2
Fix error in merge of mainpage that caused issues saving

Pathsep was not included in mainpage.py (mistake with
merging in last version of changes)
open filepicker with file name
open dialog export with file name
HTML entities in TinyMCE: Back to the default value.
The class that defines the group position will be there even if having the default value (left).
Merge branch 'master' of github.com:mikedawson/exelearning-ustadmobile-work into toughramobile
Update Ustad Mobile Export including localization functionality
Merge branch 'master' into toughramobile

Bring branch up to date with master

Conflicts:
	exe/webui/scripts/common.js
Updated README: Was referencing obsolete information

README was before referencing the old exelearning.org website and
obsolete versions of Ubuntu etc.  Updated links etc. to exelearning.net
website.
The DIV containing the image with caption and/or footer will always have its width set.