0.9.0

• Warn user if the remote does not exist (#185, #171)
• Report unavailable project version during check (#381)
• Don't look for update on random branch if only revision is provided in git (#393)
• Don't report update available if revision on disk matches revision in manifest for git (#393)
• Report the revision available in git if only revision is in git (#393)
• Add ignore list to project entries in the manifest (#571)