The release fixes several instances of data loss during conversion:
  * Fix missing WMFs in some Visio files
  * Don't truncate end of the text
and some problems with text encoding and display:
  * Use ICU for text encoding conversions
  * Honour the "HideText" property

(cherry picked from commit 105bb26e)

Conflicts:
	download.lst
	libvisio/ExternalProject_libvisio.mk

Reviewed-on: https://gerrit.libreoffice.org/3552Reviewed-by: Michael Meeks <michael.meeks@suse.com>
Tested-by: Michael Meeks <michael.meeks@suse.com>
(cherry picked from commit 0deb04fb)

Change-Id: I00f18e64f60358f826720cc8d6af36c77a98a062
Reviewed-on: https://gerrit.libreoffice.org/3601Reviewed-by: Tor Lillqvist <tml@iki.fi>
Tested-by: Tor Lillqvist <tml@iki.fi>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Tested-by: Petr Mladek <pmladek@suse.cz>