Update README.md

I tested it for the newest firmware 2.14 of the UX31E which also rendered the keys unusable (in favor of working Windows 8 keys). I put the required values in the table. It works fine now.
add 214 version + N56VM
Merge pull request #3 from manuelmuehlig/patch-1

Update README.md
Update README.md.

The readme had a duplicate 2.11 table entry for the 2.11 bios version.
Changed to 2.12.
Merge remote-tracking branch 'karolherbst/nv56vm'
cleanup README - merge request with b0rked md stuff
Some more cleanup of the md file

Dudes, seriously, check your damn commits before you send me pull
 requests. This is really annoying, if I have to fix your md syntax errors.