~mil/framebufferphone_intro

Add note about hamblingreen fork
Add note that project has been discontinued
Fix link location
Remove disclaimer & add section on how to install; was merged into pmaports!
Make disclaimer a bit friendler and add link to MR; fix a typo
Add link to mailing list
Add description
Add link to demo video
Fix a few typos on README; add link to tickets
Add disclaimer
Initial commit