[OpenSIPS-Devel] [OpenSIPS/opensips] 070868: Add folded_string token.

[Bogdan-Andrei Iancu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 070868504623df075ea6086a1bf3d3dc9fc961b4
      https://github.com/OpenSIPS/opensips/commit/070868504623df075ea6086a1bf3d3dc9fc961b4
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2015-06-05 (Fri, 05 Jun 2015)

  Changed paths:
    M cfg.y

  Log Message:
  -----------
  Add folded_string token.

This token is now used by xlog, so you can have a multi-chunk (even multi line folded) string as parameter, like:
	xlog("Bob"
			"hates Alice" " very much\n");

Based on the idea from #538, but done at grammar level.