LAG upgrade - 26: cleaning up LAG management framework for data-structure changes

Added miscellaneous changes in #management #framework in LAG module. #Cleaned up #aggregator #activation handler and added #initialized aggregator #parameters with their #default values. Corrected standard #extended #member #port #iterator routine to provide reference to the standard member port, so that extended parameters embedded in them can be accessed in the mapper routine. Corrected #member #port #create #API to create #statistics, #debug and #extended port #data-structures as part of the member port creation. Corrected #aggregator #create #API to create the #member port #list as part of aggregator creation.

#LAG update 34 ...
[commit 3302d18556d2f6e7652b93118f9ecd186e3451fe] (https://github.com/nes-repo/NES-Open-Switch/commit/3302d18556d2f6e7652b93118f9ecd186e3451fe)

MSTP update - 6: added bridge port initialization

Added #bridge #port #initialization #routine in MSTP module. On activating the spanning tree on a port it #set s #default #value s as in CIST root bridge, IST root bridge, CIST path cost, IST path cost, etc ... on it.

#802-1S #MSTP update 6 ...
[commit 0d76f089e5fe37da544fa35d23e640ac45efecf0]

System entity update - 1: created new module for system entity framework

Moved the #entity #framework from system module to #new separate #entity #module. Corrected the #module #initialization #issue with #system module by creating a module for entity framework. The system module and entity framework were set to initialize in different order.

#System update 32 + Entity update 1 ...
[commit 437d016a4c0cdfe06816f02a272dc8852c0ac007]