CentOS tests were blocked due to issue https://github.com/dotnet/corefx/issues/5066.
It has been fixed with the latest NetStandardLibrary, hence upgrading from 1.0.0-rc2-23616 to 1.0.0-rc2-23704.
With this fix the native shims are correctly restored by dnx for RID centos.7-x64.
A tool which searches recursively for project.json files,
runs a set of analyses and reports on the result.
For CLI we have only one rule currently, that Dependencies
between projects must be equivalent to avoid stomping.
