Automatically increase build no on Windows.
Show version info in About dialog.
Fix an issue when splitting paths where the last component has only
one character.
Version bump
Remove Version.h from repository.
Remove Version.h from Windows.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Ignore Version.h on Windows.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Merge branch 'master' of github.com:kduske/TrenchBroom