Merge pull request #469 from KevWright/master

Learning resources main page update
Merge pull request #470 from KevWright/master

More links for Getting Started
Merge pull request #471 from KevWright/master

Moved some content from install to getting started
Merge pull request #472 from KevWright/master

Removed some text from getting started
Merge pull request #473 from KevWright/master

Updated configuring security on AWS
Merge pull request #474 from KevWright/master

Started a Mission Portal reporting tutorial
Merge pull request #475 from KevWright/master

Updated "Configure Security Group" instructions for AWS
Merge pull request #476 from KevWright/master

Added and moved some promises content.
Fix copy-paste error. Text is not relevant for that attribute.
Merge pull request #477 from kacfengine/master

Fix copy-paste error. Text is not relevant for that attribute.
Updated basic guide on writing promises
Merge pull request #13 from TekHus/basic-guide-policy-writing

Basic guide policy writing