Update for docker 0.10

Added dns-search entry
Copied custom sshd config in base image
Added kameleon build path
Made init_kvm process more lightweight
Managed oar-server daemon with supervisor
Enabled insecure key for colmet node
Installed tmux 1.9 from wheezy-backports
Enabled passwordless sudo for docker user
Install rsyslog
Changed debootstrap cache path to make it more persistent
prefix logs with colored hostname
Configure development tools
Fixed colmet node Dockerfile
Allow multiple shared volume
Enable ssh multiplexed connections
Configured tmux to reuse ssh connection when the pane is split
Disabled ssh ControlMaster
Added /sbin to $PATH for docker user
Renamed cmd.sh to taillogs
Fix some issues with APT packages