[Rakefile] Adding option PHOENIX= in rake deadnodes:tofix task to list nodes with wrong comments because of phoenix

Signed-off-by: Hyacinthe Cartiaux <hyacinthe.cartiaux@uni.lu>

[network-api] renamed all network equipements to have a unique name on all grid5000 platform. 'gw' -> 'equipment_real_name'; 'ib' -> 'ib-SITE'; 'mx' -> 'mx-SITE'

[Grenoble] fix bug #4362 - Reference API: 'switch' property undocumented for some nodes' for genepi cluster, correct typo

[Grenoble] fix bug #4362 - Reference API: 'switch' property undocumented for some nodes' for genepi cluster

[Grenoble] fix bug #4362 - Reference API: 'switch' property undocumented for some nodes' for adonis cluster

[rennes][toulouse] network api - renamed 'gw' to the router real name to resolve conflits in names amongst sites