Update src/elements/layout/element_template.erl

Moved the template bindings orddict creation to 
an earlier point in the template rendering pipeline;
thus converting the bindings just once

This is not tested yet!
Update src/elements/layout/element_template.erl
Merge pull request #39 from AliceBlitterCopper/patch-1

Create the bindings orddict just once instead for every eval call down the chain in template elements