AbiWord Import filter

Reviewed-on: https://gerrit.libreoffice.org/7411
Reviewed-by: Fridrich Strba <fridrich@documentfoundation.org>
Tested-by: Fridrich Strba <fridrich@documentfoundation.org>
(cherry picked from commit 10eaaac020e32f0bbb3869cecee94df0955b6a3b)

Conflicts:
	external/Module_external.mk
	writerperfect/util/wpftwriter.component

Change-Id: I90dc115044e5f81fa3a2b105d30d7d39e438b086

Fix a silly with ABW footnotes/endnotes

Change-Id: I026f9c664ff7dec51e511ad439ab563d2cc0c201
(cherry picked from commit 766f718ebb4deda1a294cc1cfe137a75dfb0f6f8)

Fix ABW list shapes

Change-Id: Ibbbfddf10677e8c5b654cee9c5fda1603a298a67
(cherry picked from commit f8bf3e3cd4b55099a1427d611af06a45460034e7)

Fix ABW embedded images

Change-Id: Ifd33ea9c1f91865d5ae5175eefa9b65107404bf0
(cherry picked from commit 7c3ca696543d0e9d6771d53f386086086d8b8643)

Uploading libabw-0.0.1 (support of zabw files too)

Change-Id: Ie04cae9b9a362cb43b671fe8986545865822a953
(cherry picked from commit 838c8889491b7e5b08f681b7f85740784c0c1a3b)
(cherry picked from commit 1c0bf579b5051e18dfaeeef5a9f64548bf63e9e1)
Reviewed-on: https://gerrit.libreoffice.org/7479
Reviewed-by: David Tardon <dtardon@redhat.com>
Reviewed-by: Thorsten Behrens <thb@documentfoundation.org>
Tested-by: Thorsten Behrens <thb@documentfoundation.org>
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>