added UpdateVersion.targets to write git hash to various files containing version information
reworked MP2 build script into MSBuild project
added nuget specifications for MediaPortal 2 core projects
include building of nuget packages into the build process
added standalone batch files for building nuget packages
run CopyFiles's AfterBuild only if project is being built from within a solution
replace Dokan.targets for downloading dokan installer by using the Download task from within the Build directory
fixed ProjectRoot property definition in MP2-Setup's build.targets
use separated property for package version (without dots)
fixed project root definition
added script for updating copyright infos
fixed nuget package creation