Update to use tegola Dicter interface for AutoConfig() & instantiatin…

…g providers.

Update main README. Start moving developer details to subpackage READ…

…ME's.

Updates for compatibility with tegola filterer_implementaion branch c…

…hanges.

Merge pull request go-spatial#120 from tomkralidis/issues-111-115

add collection link and paging to HTML

Remove stage name from generated urls in lambda binary.

Update .travis.yml to deploy to lambda.

Cleaned up current functionality & brought OpenAPI spec up to match f…

…unctionality.