A5.21 Stable

Stable Alpha release. Finished Aetna, Humana, BCBS, UHC, and RE
exporters. Capable now of replacing version 3 main.

Fixed various bugs that popped up, from dependent DOB errors, to
incorrect default Life, STD, LTD coverage election, to incorrectly
including dependents on exports when not required, and more.

No doubt there are more bugs, but they are, at this moment, not
critical.

TODO:
check Error logs
unrecognized words file exporter
file importer
the rest of the census exporters
Medicare, salary, occupation, DOH, emp status validation
Check for need to limit group name length
include option for whether Medicare/tobacco should be
included/displayed/set for user.