rhbz#637738 libgcrypt that's been initialized already by cups to be
non-threadsafe is therefore then also non-threadsafe. neon uses
libgcrypt. So in the (as this is the usual circumstance) case that
cups is initialized before neon, then libgcrypt is not threadsafe
even though neon attempt to initialize it as such.

Nice cleanup from Seo Sanghyeon <sanxiyn@gmail.com>

Use short code snippet lifted from
fpicker/source/win32/filepicker/VistaFilePickerImpl.cxx to get a
suitable window handle. Should fix bnc#398822.

i#94086

Scale-font-down if typing text in Impress and the text box becomes too small.

Don't require and distribute unicows.dll and instmsia.exe (Windows
Installer 2.0 installer for Win9x). Drop the Win9x-specific code in
setup.exe. Do still require and distribute gdiplus.dll for Win2k
support (bnc#522833).

- Loop the A/V when the loop flag is set; from Caolan.

- add flac to media filters list

n#213205, i#67243, i#101042
Merging/unmerging of cells on multiple sheets & merge center icon.

n#464359, i#101018

allow ctrl-[ and ctrl-] to jump to references used in a formula expression.

i#49380, n#415352

Support Excel English grammar needed for VBA and (probably) for xlsx filter.