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
VirtualMachineSnapshots - Added Contextual Menu on tableview and ButtonBar refactoring

+ FIX the filtered view with searchfield