MSVC Builds: Rework Introspection Build

The current approach of building the introspection files for ATK works, but
is often cumbersome as one needs to set many environmental variables before
launching a solution file, which runs a Windows batch script to generate
the .gir/.typelib files.  It was also possible to hand-run the batch script
from the Visual Studio command prompt, but even more environmental
variables need to be set.

This changes the approach to build the introspection files using an NMake
Makefile (but elimating from the Visual Studio Project Files the part to
build the introspection files) to:
-Make it clearer to the person building the introspection files what
 environmental variables are needed, specifically for PKG_CONFIG_PATH and
 MINGWDIR and CFG (formerly CONF).  Setting stuff like VSVER, PLAT and
 BASEDIR is no longer required, which was a bit clunky.
-Allows some more easier flexibility on the build of the intropsection
 files.

This also cleans up the gen-file-list.py file as it can share parts in the
recently-added msvcfiles.py
build/Makefile.am Make up for missed '\'
build/introspection-msvc.mak: Fix Default typelib PATH
Updated Hebrew translation
MSVC Introspection Build: Fix build

Link and run the dumper program firstly against the build of ATK from the
same tarball,then linking to the other dependent libraries which this build
of ATK was built against before finally trying to link and run against
other existing builds.

This is especially important for unstable releases, as APIs are often added
and dependent upon during development cycles.
Release 2.11.5
Updated Lithuanian translation
JOHNE - Changes needed to support 'win32-fixup.pl'
JOHNE - Add our MSVC build files
JOHNE - Modify 'win32-fixup.pl' to process 'atk.vsprops'
JOHNE - Rename 'win32-fixup.pl' to 'win32-fixup.pl.in'
JOHNE - Some minor path changes
JOHNE - Add support for 'test_atk'
JOHNE - Remove some unwanted preprocessor definitions
JOHNE - Add support for finding some external files / scripts that we need to run at build time
JOHNE - Set version number for new stable branch
JOHNE - Unify our build paths (and Resource File comments)
JOHNE - Configure for 'single-click' building
JOHNE - Rename 'win32-fixup.pl.in' back to 'win32-fixup.pl'
JOHNE - Reduce the number of build targets from 4 down to 3