Log Message:
Update to 1.2.20121230:

2012/12/30 - release 1.2
	+ improve some older changelog entries to help with HTML'izing content.
	+ various fixes/improvments for scrollbar appearance.
	+ add mappings for some equivalent options provided by whiptail;
	  add configure option --disable-whiptail to allow suppressing these.
	+ add configure option --disable-Xdialog2 to allow suppressing the
	  newer features, i.e., for cdialog 1.2
	+ add --no-items option, for consistency.
	+ add --no-tags option, like Xdialog.
	+ add buildlist, rangebox and treeview dialogs, like Xdialog.
	+ remove obsolete workaround for ncurses 4.2 scrolling in checklist
	  and menubox.
	+ improve dialog_helpfile() by preventing it from showing extra buttons
	  (suggested by xDog Walker).
	+ correct logic in formbox's scroll_next() function (report by xDog
	  Walker).
	+ fix a case with inputbox widget where preset input text is not shown
	  until moving the cursor within the text (report by xDog Walker).
	+ handle SIGCHLD in dialog_prgbox() to eliminate defunct processes
	  (report by xDog Walker).
	+ improve the way "hotkeys" are assigned to widget buttons by checking
	  if a given key has already been used in the row of buttons (Debian
	  #684933).
	+ amend fix for --trace parsing from 2012/07/03, which sometimes
	  skipped a parameter (report by xDog Walker).
	+ drop copismall and install files from samples, which were essentially
	  nonfunctional.
	+ correct secondary border colors in samples/slackware.rc and
	  samples/whiptail.rc
	+ update gl.po, add ia.po from
		http://translationproject.org/latest/dialog/
	+ fix various issues reported by coverity scan.
	+ miscellaneous configure script fixes/updates:
	  + require autoconf 2.52+patches
	  + support --datarootdir option
	  + check for clang compiler
	  + check for tinfo library when looking for ncurses
	  + add 3rd parameter to AC_DEFINE for autoheader
	  + remove unused macros from aclocal.m4
	+ update config.guess, config.sub