Renaming the build scripts so that they better indicate which part of the process they belong to (build, deploy etc.)

references #43
Adding the Deploy.GitTag.msbuild script that will be used to tag a release from the build server. The tag message will be the
release notes for the current release.

references #43
Adding the script used to gather the release notes. Both the complete release notes and the release notes for the current release are created.

references #43
Updating the build scripts to use the release notes

references #43
Merge pull request #43 from pvandervelde/issue/automaticreleasenotes

Automatically create release notes from resolved Github issues