Revert "Fix Firefox issue that triggers the buttons on spacebar."

This reverts commit 3f5603e6a8338f264e1bbf8f22347f7c8edcaad9.
Revert "fix io.connect call to support proxied url namespace"

This reverts commit c6050daa02c17f340f05c4c39516e9ae764c6a9f.
Fix #49; blur() buttons after they are clicked.