Fix 403 error from Flickr, use secure API endpoint
Merge branch 'master' of github.com:hiddentao/wp-flickr-embed

Conflicts:
	.svn/text-base/screenshot-1.png.svn-base
	include/class.constants.php
	wp-flickr-embed.php
Merge branch 'master' of github.com:hiddentao/wp-flickr-embed

Conflicts:
	include/class.constants.php
	wp-flickr-embed.php