Fixes settings page which was broken with a 'section' error.
Changes settings to use correct plugin slug (mod_gamoteca) not (local_gamoteca)
Removes/changes other references of local_gamoteca to mod_gamoteca.
Note: If users already have this plugin installed, they will need to set their encryption key again, as it will now look for the correct setting. If you wish, you could write an upgrade step to migrate any settings saved under 'local_gamoteca' to 'mod_gamoteca'.
Note: If users already have this plugin installed, they will need to set their encryption key again, as it will now look for the correct setting. If you wish, you could write an upgrade step to migrate any settings saved under 'local_gamoteca' to 'mod_gamoteca'.