Version 1.4, up to date, all fixes merged.
Update README.md
Update README.md

fixed a typo
fixed issue with capacitor on the MPU9250 value was incorrect
Merge branch 'master' of https://github.com/diydrones/PXF
fixed missing ground on Serial 3 plug
moved to version 1.5
fixed UART BUG
added a change record
Added Gitter badge
Merge pull request #15 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md