add short descriptions to the top of all programs.
make fac.py in flashproxy-common not soft-implicit-depends on facilitator-reg
- to do this, we turn put_reg_base64 into a generic run-a-program function
- also push the pad-base64 behaviour directly into facilitator-reg
- fix earlier oversight, and document the fact that facilitator-reg is used
match facilitator version with rest of package.
email-poller: move main loop inside a main() function
- so we can import it without running it, useful for the upcoming help2man stuff