Added a few more hacker abbreviations

SAS = Serial Attached SCSI
IB = Infiniband
SCSI = Small Computer System Interface
JSON = Javascript Object Notation
XSS = Cross Site-Scripting
JBOD = Just a Bunch of Disks
RAID = Redundant Array of Independent Disks
Merge pull request #235 from mbaxa/master

Added a few more hacker abbreviations