MDL-40780 mod_scorm: add new settings for navposition
MDL-40780 mod_scorm: add new lang strings for navposition settings
MDL-40780 mod_scorm: add setting navpositiontype in form
MDL-40780 mod_scorm: add setting navpositionleft, nav position from left
MDL-40780 mod_scorm: add setting navpositiontop, nav position from top
MDL-40780 mod_scorm: update install.xml for storing new settings
MDL-40780 mod_scorm: add code to upgradte scorm table in db
MDL-40780 mod_scorm: update version number
MDL-40780 mod_scorm: add new table columns in backup_scorm_stepslib.php
MDL-40780 mod_scorm: add function that returns nav btn display options
MDL-40780 mod_scorm: pass navposition settings to js function
MDL-40780 mod_scorm: add new args in function def
MDL-40780 mod_scorm: use navposition settings to set nav btns position; add new strings fromleft, fromtop
MDL-40780 mod_scorm: remove align of navigation panel with toc, using xy position