Added icon logo to Phase and Freq to FTW VI
Refactorerd between Prepare and Finalize HWI

Refactored code between Preapre and Finalize HWI.

* PrepareHWI - parses SetList table, and prepares Slaved Digital channel
request array
* FinalizeHWI - removes lines where no DDS update is required, and
converts to DDS tuning words