- title default value is the project name
- description is the project name if no description is provided
- files are taken from artifacts of msbuild plugin and the target folder from target framework in csproj
- take dependencies from packages.config
- nugetPush input package now defaults to nugetPack generated one (if any)
- nuspec generation now defaults id, version and description in nuspec generation
- extract task nugetSpec from nugetPack to generate nuspec
- support Map for defining nuspec in nugetSpec