First commit for support of tags with code.
Improved the support for tags with code. setCurrentLine should now behave correctly.
Fixed bug with code tagging when the index related to the tag was 0
. Changed unfound index to undefined.
Fixed the same bug for setCurrentLine.
Merge pull request #144 from X455u/codetags

Added tag support for code
Removed load stylesheet non-existing stylesheet
Allow reset and model answer through an event triggered on the container
Merge pull request #147 from X455u/lang

Added translation for Settings dialog
The default language for the settings dialog is set from window.JSAV_OPTIONS (if possible) when Settings is not linked to a JSAV instance.