GMPLS update - 61: adding cross-connect out-segment based indexing

Added #out-segment based #index for #cross-connects in GMPLS module. This will enable to #access the #cross-connect entry based on it's #out-segment, #in-segment #index pair. This will help to look-up cross-connect entries from the out-segment information. This is used to #pass the #trigger to the #cross-connect on #out-segment level #changes. This helps to efficiently map the cross-connect entries from the out-segment index.

#GMPLS update 61 ...
[commit 32be6656d2cedf45d469e942264c96e22755d745] (https://github.com/nes-repo/NES-Open-Switch/commit/32be6656d2cedf45d469e942264c96e22755d745)

GMPLS update - 28: adding cross-connect based index for MPLS tunnels

#Added #cross-connect based #index for #MPLS-tunnel in GMPLS module. This will enable to #access the #tunnel entry based on it's #cross-connect #index. This will help to #look-up tunnel entries from the cross-connect information. This is used to #pass the #trigger #to the #tunnel on #cross-connect level #changes. This helps to efficiently map the tunnel entries from the cross-connect index.

#GMPLS update 28 ...
[commit dbc89e090ebf006ac0ef4857af8d59c55209fee1] (https://github.com/nes-repo/NES-Open-Switch/commit/dbc89e090ebf006ac0ef4857af8d59c55209fee1)