LDEV-1911 Making Gmap tool have its own config page for the gmap API key, istead of putting it in the general lams configuration page.This is the backend stuff to make the config model possible
For LDEV-1851the isAuthored property of the marker should not be updated, only saved on the first time, otherwise any markers edited in monitor come unter the Authored user
LDEV-1847 - Fixed export portfolio so custom images for gmap are bundled with the export.Now the class is centralised in learner so this can be used in future for other tools.
