Added support for git repo in project dir and configuration thru FodyWeavers.xml

Added Configuration class to parse data from FodyWeavers.xml
Added support to GitDirFinder for .git files pointing to a git directory.
Added support to FormatStringTokenResolver for the tag %shorthash%
Changed FormatStringTokenResolver to allow custom string for %haschanges%.
Added support to configure where to start looking for git repository.
Removed /ve from command line of verpatch to preserve existing information.
Updated the documentation accordingly.

All the defaults maintains the previous behavior except /ve removal.

Submodules are nested git repos.