configure: remove, it is generated from configure.in by autocrap.
configure: prevent in-tree build for now.
tlsclient: add sample connect script for SSL/TLS.

Use with:
set server |/path/to/tlsclient server:port
global: add .gitignore.
build_flrn: remove unneeded -DUTF8.
Makefile: fix missing chrtrans dependency.
src: fix int-pointer size mismatch in casts.
flrn_filter: fix temp array size.
src: fix global declaration without extern.
enc_strings: cleanup unused code.

Remove unused / unnecessary fields from encoding structures.
Add static to some functions.
flrn: add list_all_groups option.