Update built-using-middleman.html.erb

Added 4pdj.nl blog with github source
Change source-code repository for BionicSpirit.com
Merge pull request #214 from alexandru/master

Change source-code repository for BionicSpirit.com
absolute paths on deploy
Merge pull request #215 from nathema/master

Added site to community page
Merge remote-tracking branch 'upstream/master' into ja

Conflicts:
	config.rb