Add version.texi, and some random texi generated files.
Add version.texi, and some random texi generated files.

[ci skip]

paulbdavis/ledger,paulbdavis/ledger,duncanmortimer/ledger,afh/ledger,paulbdavis/ledger,paulbdavis/ledger,jwakely/ledger,duncanmortimer/ledger,jwakely/ledger,duncanmortimer/ledger,afh/ledger,jwakely/ledger,ledger/ledger,paulbdavis/ledger,duncanmortimer/ledger,afh/ledger,paulbdavis/ledger,jwakely/ledger,ledger/ledger,afh/ledger,afh/ledger,duncanmortimer/ledger,jwakely/ledger,jwakely/ledger,ledger/ledger,paulbdavis/ledger,ledger/ledger,ledger/ledger,duncanmortimer/ledger,duncanmortimer/ledger,jwakely/ledger