TM devices bend radii were too small (#18)

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TM devices bend radii were too small (5 microns).  Adjusted Bend radii to 15 microns based on PDK recommendation.

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Think KLayout was confused... there were many error files and I think it was not looking at the latest one... will see if this works

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* Add files via upload

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* Add files via upload

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* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload