Modified the description and the author list, so that the description goes first and then author list. The original one doesn't display the author right and the author list doesn't have separation fromt the description.
Updating the citation to include the DOI.

http://dx.doi.org/10.1016/j.newast.2013.01.002
Merge branch 'master' of github.com:salehqt/swarm
resolving conflicts
Adding --nogpu option, testing bdb with that