Merge branch 't/utf8'

Was cooking since 2013-03-10.

	a946af string.c: Fix typo in documentation of skip_cells().
	251394 Switch to HTF-8 for web pages.
	09c6bc gui: Try to link against libncursesw.
	36f38a UTF-8 support for para_gui.
	a99804 mp3_afh: Switch to UTF-8 encoding.
	f78b53 gui: Don't compute string length unnecessarily.
	6224f7 Get rid of unused HAVE_NCURSES define.
	6cd788 Fix --with-curses configure option.

diff --cc NEWS
index f323df1dda766dadfdc7fe559e6a39fa42824d58,f323df1dda766dadfdc7fe559e6a39fa42824d58..591d935d63741cc663c7064fd7903c0d1856fd9d
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -2,6 -2,6 +2,8 @@@
  0.?.? (to be announced) "spectral gravity"
  ------------------------------------------
  
++      - UTF8 support for para_gui and the mp3 audio format handler.
++
  -----------------------------------------
  0.4.12 (2012-12-20) "volatile relativity"
  -----------------------------------------

diff --cc configure.ac
Simple merge

diff --cc gui.c
Simple merge

diff --cc mp3_afh.c
Simple merge

diff --cc string.c
Simple merge

diff --cc string.h
Simple merge