Update smtk.cmake per changes to SMTK release v1.0.0rc1
For linux, the name of the smtk-python library changed, as did the install location for the python module. This request updates the smtk.cmake to be consistent with SMTK's current cmake files.
For linux, the name of the smtk-python library changed, as did the install location for the python module. This request updates the smtk.cmake to be consistent with SMTK's current cmake files.