Update README.md

Added direct link to the Wiki pages.
Update README.md
Update README.md
Merge branch 'master' of github.com:NLeSC/escxnat
Refactored Platinum based DCM Browser.
Removed not yet ready prototype.
Toplevel project files.
notices
Added default header text.
Migration from biomarker repository to own 'escxnat' repository.
Moved Platinum to sibling directory.