added jersey-core to resolve Glassfish4 deployment issue.
added jersey-core to resolve Glassfish4 deployment issue.

roselleebarle04/AIDR,qcri-social/Crisis-Computing,qcri-social/AIDR,hsarmiento/AIDR,roselleebarle04/AIDR,qcri-social/Crisis-Computing,qcri-social/AIDR,qcri-social/Crisis-Computing,hsarmiento/AIDR,qcri-social/AIDR,hsarmiento/AIDR,roselleebarle04/AIDR,hsarmiento/AIDR,roselleebarle04/AIDR,qcri-social/Crisis-Computing,qcri-social/AIDR