Revert "feat($s3): default S3 endpoint to HTTPS closes #1119" closes #1129

This reverts commit 4035fadc862711607abd8cc6ef637232fde59b49.

Conflicts:
	README.md
	bower.json
	client/js/version.js
	fineuploader.jquery.json
	package.json
fix(uploader.api.js): always displayed canned file sizes fixes #1130