Added Systemd support fix #619
Fix some typo in archipel.conf
Improve the init script

Look for systemd, fallback on init.d, error message is no match found
Fix a path issue and rename service to archipel-agent
Fix #655 - Added a DisconnectHandler to xmppclient when using ssl

When the xmpp connexion is falling we have an infinite loop on main
loop.
So by adding a DisconnectHandler, I can reset the loop_status and avoid
infinite loop.

Note : this only occurs when using a C2S SSL connexion.
Update version of Cappuccino
Add Cappuccino bug temp workaround
Merge branch 'add-xmpp-disconnecthandler' of https://github.com/CyrilPeponnet/Archipel into pr-674
Merge branch 'agent-compatibility-improvements' of https://github.com/CyrilPeponnet/Archipel into pr-668
Update the typo HOSTAME where is used
Fix dirty blinking of the definition UI
Big code refactoring of the definition module to be more future proof and readable
Pixel perfection of the UI
Update version number to beta6
Force disconnection because this is never workiking when status is different from disconnecting
unregister XMPP handlers when freeing VM from the VM itself
Make controls UI more compact
Fix bug with tag view