v1.8.0 - Security and Angular update

What's Changed

• Added description for needs of apikey by @augusthjerrild in #50
• docs upgrade based on angular upgrade and prettified code. by @augusthjerrild in #51
• Added recommendation for disabling "Server" header. by @augusthjerrild in #53
• Release stage into master by @fcv-iteratorIt in #54

Full Changelog: v1.7.0...v1.8.0