Update VNC binaries and vnc-config.sh.

* Updated to RealVNC 5.1.0.
* Changed sha1sums for .deb, .rpm and .sh.
* Updated atmo-initer.rb for v1.

	deleted:    init_files/v1/VNC-Server-5.0.4-Linux-x64.deb
	deleted:    init_files/v1/VNC-Server-5.0.4-Linux-x64.rpm
	new file:   init_files/v1/VNC-Server-5.1.0-Linux-x64.deb
	new file:   init_files/v1/VNC-Server-5.1.0-Linux-x64.rpm
	modified:   init_files/v1/atmo-initer.rb
	modified:   init_files/v1/atmo_init_full.py
	modified:   init_files/v1/vnc-config.sh
	deleted:    init_files/v2/VNC-Server-5.0.4-Linux-x64.deb
	deleted:    init_files/v2/VNC-Server-5.0.4-Linux-x64.rpm
	new file:   init_files/v2/VNC-Server-5.1.0-Linux-x64.deb
	new file:   init_files/v2/VNC-Server-5.1.0-Linux-x64.rpm
	modified:   init_files/v2/atmo_init_full.py
	modified:   init_files/v2/vnc-config.sh
Merge branch 'atmo-273' into atmo-287
Syntax error around the new motd code.
	modified:   init_files/v2/atmo_init_full.py