removed unneeded exit
added diff examples
merging upstream changes
updated tclIndex
Automated update of XilinxTclStore by processTclStoreSubmit.pl on 20140701102622. Submit user: rajklair, branch: master.
Merged pull request 278 for diff
Updated commit id for diff inside 2014.3
Merge pull request #281 from dpefour/master

Merged pull request 278 and updated 2014.3 catalog for diff
call vopt in elaborate.sh if param set