Fix getElementByNameTag error
Add a test to see what type of object is read
Resolve merge conflicts
Remove classList
If IE, use activeXObject instead of DOMParser
Use png images instead of base64 because we need to provide an image to OpenLayer to avoid Javascript error
Remove unused Geomap images
Merge pull request #1671 from jolevesq/IE8-Firefox-render

Fix for issues 1611 and 1621