CLI/{count, dump, reindex, reply, show}: enable sexp queries

CLI/{count, dump, reindex, reply, show}: enable sexp queries

The change in each case is to call notmuch_query_create_with_syntax,
relying on the already inherited shared options.  As a bonus we get
improved error handling from the new query creation API.

The remaining subcommand is 'tag', which is a bit trickier.