LAG update - 6: optimizing standard aggregator parameter entries

Added #time #clock information in LAG module. On configuration changes the timestamps are internally logged for reference. This is useful to #log #last #modification on data-structures. Removed redundant data-structures from the module. Added new indexing for aggregator ports. This removes dependency on the augmented data-structures.

#LAG update 14 ...
[commit 2c1bdea2d804e0121514bd0d15e5b98343490c12] (https://github.com/nes-repo/NES-Open-Switch/commit/2c1bdea2d804e0121514bd0d15e5b98343490c12)

IF time update - 1: added configuration timestamps

Added #time #clock information in IF module. On configuration changes the timestamps are internally logged for reference. This is useful to #log #last #modification on data-structures.

#IF update 6 ...
[commit 6163df0694a70ac2b82652cf21e8dd616a4e3cfb]

Lib time update - 1: added system clock/time API

Added #time #clock #API in LIB module. This will enable modules to #read #system #time. System clock can be read in #seconds or #centi-seconds formats.

#Lib update 9 ...
[commit 76c6e157cab9e41698514bf430c15f9a16cb9513]