Pruned Configurations for Mendel

i removed any old configurations, i also removed any configurations for
the Rostock
Updated the Start Gcodes
Removed Slic3r.ini

this file will be updated every time that i open the application and so
i would like to not have to worry about commiting every time i open the
application
Merge pull request #1 from kraczekj/Mendel-Printer

Mendel printer - Currently working on the Mendel printer
learning about github