Make URL builder use site_url() to get correct http scheme
Issue-68: remove esc_url, it's too early
Adding file back in
Merge pull request #1 from springarboru/issue-68

Issue 68: fixes issue with wrong http scheme when in SSL.
Issue-2: make plugin update from github rather than wp.org.  Closes #issue-2
Merge pull request #70 from springarboru/issue-2

Issue 2