v6.6.2

• upgraded to gitlab-6.6.2
• added automated daily/monthly backups feature
• documented ssh login details for maintenance tasks.
• perform upgrade of git, nginx and other system packages
• added GITLAB_SHELL_SSH_PORT configuration option
• added app:rake command for executing gitlab rake tasks
• documented hardware requirements

v6.6.1

• upgraded to gitlabhq-6.6.1
• reformatted README