Update README.md

Added:
Websites > Java Code Geeks
Websites > InfoQ
Websites > TheServerSide.com
Twitter > Eugen Paraschiv
Twitter > Martijn Verburg
Twitter > Lukas Eder
Twitter > Javin Paul
Twitter > Mario Fusco


Removed:
Twitter > Pete Muir - Inactivity

Descriptions:
Added Twitter > *

Changed:
Twitter description