docs(server/config.go): minor formatting changes

When -version or -help are given, don't warn about having to derive
the data directory name.
Print warnings about deprecated options on separate lines so the log
isn't screwy.
fix deprecated option tests
chore(README): Expand README with more info about indexes
Merge pull request #437 from bcwaldon/README-indexes

chore(README): Expand README with more info about indexes
Merge pull request #434 from rwindelz/master

fix (scripts/release-version.ps1): fix windows build
Merge pull request #436 from thwarted/help-version-fixups

docs(server/config.go): minor formatting changes