0.9.0-preview

Preview release

Major changes
- Cloudwatch Query Support
- Promethues Query Support

build: fix arch in release script

version: change from 0.6.0 pre to beta1

set version 0.5.0

rc4

rc3

bump version

Update dockerRelease.sh

Update version.go

Merge pull request bosun-monitor#1331 from bosun-monitor/placeholders

a few simple placeholder conf items to ease timing on future migration.