Take "vimrc" as of ee24d5b from msysgit.git

Ensure that the file has Unix line endings as Vim complains otherwise.

Signed-off-by: Thomas Braun <thomas.braun@byte-physics.de>
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Source the system vimrc from the msys-vim package

Sourcing is done as the very first thing to ensure that our
settings have higher priority.

Signed-off-by: Thomas Braun <thomas.braun@byte-physics.de>
Create a shell wrapper for vim that loads our vimrc

Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>