Implemented "Default template" button

added funder links and sample plans to public templates page ...

added sorter-false to funder link and sample plan columns

removed VARCHAR to TEXT change and updated index to use template_helper

removed banner_text from Org in seeds.rb. not sure why this was only causing this one to fail

added banner_text back to seeds.rb seems to have been a weird Travis error

reverted changes to schema

concern to validate and parse an array of object links. DMPRoadmap/roadmap#819 ...

validator for links attribute at templates. DMPRoadmap/roadmap#819

funder and sample links visible in funder templates html view. DMPRoadmap/roadmap#819

links view and its JS associated. DMPRoadmap/roadmap#819