Gwenhywfar

BUILD: Fixed build on windows (Patch provided by rhabacker).

Beside https://www.aquamaniac.de/rdm/issues/27 additional cmake related
config files are broken on Windows and will be fixed by applying the
appended patches.
Without this patch building cmake based client packages depending on...

Fix finding gwenhywfar Qt5 library for cmake build system

BUILD: Fixed QT4 on windows (Patch provided by rhabacker).

The appended patch fixes qt4 build and use support by client libraries on
Windows.
The patch has been used to cross build gwenhywfar for Windows bundled with
kmymoney 4.8 releases
(https://build.opensuse.org/package/show/windows:mingw:win32/mingw32-gwenhywfar)

TLS: Fixed function prototype (patch provided by John Ralls).

Because of a mismatched signature between the declaration and
implementation of GWEN_SyncIo_Tls_Internal_CheckCert.

BUILD: Onlky remove dir gwenhywfar5 on "make distclean" (fixes #67).

Merge remote-tracking branch 'origin/dev-xmlparser-encoding'

Included encoding handling changes to GWEN_XML from Elias's branch.

BUILD: Prepared release 4.99.16beta.

CRYPT: Fixed a compiler warning.

Convert to UTF-8 internally when parsing XML.

DIALOG: Use GWEN_Dialog_CreateAndLoadWithPath() in internal dialogs.

DIALOG: Added function GWEN_Dialog_CreateAndLoadWithPath()

This functions simplifies dialog creation and loading. Now we dont have
to repeat the same code in every dialog.

pkg-config: Fix again erroneous includedir

After 5c0c807f this was still one level of subdir too much. Now
it is hopefully ok.

Convert to UTF-8 when parsing XML.

Prepared release 4.99.15beta.

DB: Decreased verbosity.

DB: Improved GWEN_DB_ReplaceVars().

Now also accepts index specs with variable names. Valid specs are now:
- "variableName"
- "variableName¹"

GUI: Improved irritating log message.

Prepared release 4.99.14beta.

TLS: Fixed a typo (#45).

TLS: Included a modified version of a patch by Bernhard Held

This patch uses gnutls_certificate_set_x509_system_trust().

Prepared release 4.99.13beta.

TLS: Fixed a bug (missing GWEN_PATH_FLAGS_VARIABLE).

Increased version.

TLS: Check a list of possible system wide certificates.

- this list can be extended as needed

Fix 'Kbanking plugin crashes on opening aqbanking settings'

The crash is caused by missing GWENHYWFAR_CB definitions of the corresponding callback functions.
See https://bugs.kde.org/show_bug.cgi?id=380119

Signed-off-by: Martin Preuss <martin@aqbanking.de>