fTetWild ARM support

[afshawnlotfi]

Hi I managed to get this library working with Linux ARM et al but in order to do this I had to make some adjustments to Cmake files, turning off certain warning/errors, and fork the newer geogram that has ARM support adding the additional .h files that were needed. Here are my branches that are working:

https://github.com/OpenOrion/ftetwild
https://github.com/OpenOrion/geogram

Please let me know how you'd like to go about incorporating these changes

-Afshawn