Fix main README file's links to restructured test files in docs
Fix main README file's links to restructured test files in docs

Purg/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,Purg/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,Purg/SMQTK,kfieldho/SMQTK,Purg/SMQTK,kfieldho/SMQTK,kfieldho/SMQTK,Purg/SMQTK,Purg/SMQTK,Purg/SMQTK,Purg/SMQTK,Purg/SMQTK