Fixed paging system
Added new stuff

PageAndVoiceProperties to load, save, and get properties for the voice
modem and pager server. This cleaned up code by a lot.
Included a tad bit more of error supporting.
Fixed random number generation.
Removed request for paging system port. it's now hard coded.
Added a panel to configure the voice modem properties in paging GUI.
Cleaned up a lot.
Merge branch 'Shawn'