Add ability to disable NCP

Add ability to select cipher, tls-cipher and digest

Fix check for addresses range.

Add tmp-dir option to ovpnoptions.
Rename {,ETCNET_}IFACEDIR to {,ETCNET_}IFACESDIR.

Use 'dev-type' instead of 'dev'.
Don't use deprecated functions.
Added initial GOST support.
drop unused code.
Disable LZO by default.

Validate CA certificate.
add "Use a TCP connection" checkbox.

added 'script-security 2' option to openvpn config.
use /bin/bash in backend, not /bin/sh.
update requires.

don't use separate page for upload CA certificate.

use ipv4addr_prefix_to_mask() instead prefix_to_mask().
use language in woo-write calls.

check_networks(): 2 params instead 4.
use functions from alterator-net-functions.

fix previous change.

use value="#t" for checkboxs.

use workflow 'none'.
UI improved.
fix 'Type' translation.

move translations to alterator-l10n.
Updated Russian translation.
slightly UI improved.

fixed ui ('Gateway address' visibility).

Updated Russian translation.
removed 'Advanced settings' checkbox.
fixed woo-read-first call.