Update changelog briefly for 1.2.0b5

Add desktop logic to disable tegra desktop, #706

Fix raspberry wpa_supplicant.conf on boot #612

Update puppet-grafana to 4.1.0rc0, #576

Fix preprelease breaking cloud9, #530

Update changelog for 1.1.0

Fix services fact

Merge branch 'master' into stable

Update 1.0.4 changelog

Update Changelog for 1.0.4 stable release