Let's begin the show - Remove module's menu, add buttonbar / contextual menu items

Removed any references to module menu.
Added a buttonbarbutton mangement in TNModules
Added a contextual menuItem management in TNModules
HypervisorVMCreation - Buttonbarbuttons creation refactoring
HypervisorVMCreation - Added Contextual Menu on tableview

Added also Sender detection
HyperVisorVMCreation - Fix some sender and buttonbarbuttons
Workaround for Cappuccino issue #1899 - Highlight state is not reset when item are removed from Menu.
HypervisorNetworks - Added Contextual Menu on tableview

Added also Sender detection.
XIB : Change Popover to transients.
HypervisorNetworks - Fix the contextual menu for DHCP/Host reservation

(we can't use the model defined in TNModule as this controller is not a
module).
HypervisorNetworks - Use CPImageInBundle
HypervisorVMCasts - Added Contextual Menu on tableview and ButtonBar refactoring
HypervisorVMCasts - Use CPImageInBundle and better layout for cell status
HypervisorVMSchedule - Added Contextual Menu on tableview and ButtonBar refactoring
Agent-Action-Scheduler - display min and sec in 2 digits
HypervirsorVMSchedule - Better layout for view, and popover
HypervisorVMCreation - Reduce the code on delegate

Related to adapt selection on right click.
VirtualMachineDefinition - Added Contextual Menu on tableview and ButtonBar refactoring

+ use CPImageInBundle, @{@"key":object} ...
VirtualMachineDefinition - Update CPImage and CPDisctionnary to shorter syntax
VirtualMachineAppliances - Added Contextual Menu on tableview and ButtonBar refactoring

Also use CPImageInBundle when necessary
AgentVmCasting - FIX bad name when attaching and bad status if the vm was undefined.
Use CPImageInBundle in TNModule.j
VirtualMachineSnapshots - Added Contextual Menu on tableview and ButtonBar refactoring