Merge branch 't/id3_conf'

	configure: Add --with-id3tag-headers/libs.
	Link against libz if compiling with libid3tag support.

diff --cc NEWS
index 5b87555053f907b1226fb1f2867f0d9076206ae9,5b87555053f907b1226fb1f2867f0d9076206ae9..7c3ac3ce2a9e727f24bf0f5e5829cb1762d7545c
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -13,6 -13,6 +13,8 @@@
        - para_audioc: Cleanups and memory leak fixes.
        - Test 0004-server no longer fails if para_server is not
          being built.
++      - New configure options: --with-id3tag-{headers,libs}.
++
  
  -------------------------------------
  0.4.9 (2011-12-06) "hybrid causality"