Periodically check for product updates. This will use the XSA
protocol to see if there is a new version available. It will
make a check once every 48 hours if left running continuously.
Each provider is now tagged with an Origin (where did the record come from). This will become useful really soon. Current origins
are: Userland, Intrinsic, User, and RSS Maker.
Settings are saved right after the OK button is pushed.
The Next and Previous provider buttons, as well as the automatic timer-driven flipping, now sequences only through the Active
Headline Providers.
Expire this code at the end of May. Message box and option to visit home page, with increasing frequency once it expires.
Disabled the hot tracking code until it is working properly.