Changed readme
Renamed NuGet spec file
Merge branch 'develop' of https://github.com/remyvd/NodaMoney into develop

# By Marco Glasbergen
# Via Marco Glasbergen (1) and Rémy van Duijkeren (1)
* 'develop' of https://github.com/remyvd/NodaMoney:
  Changed Money unit tests to use FluentAssertions library.
Fixed typo in README
Added GitVersionTask to build