It is now possible to create private pastes, just check approriate
checkbox.
Added systemd unit file. Don't forget to fix it for your needs!
Updated design for pastes viewing, now paste information shows in
table. Improves mobile experience at least :).
Added captcha generation. As we're working without JS - there is no
possibility to reload image, only if user will reload whole web page.
Some design works - set monospace font for paste textarea (will
use system-defined default monospace font) and lowered font size
in paste views.
