Merge pull request #272 from pdendek/master

DocSim & AND Script
limit heur output
extending heur
limit heur output
Merge pull request #273 from matfed/master

better heur
adding jobShuffleInputBufferPercent parameter
Merge pull request #274 from matfed/master

adding jobShuffleInputBufferPercent parameter
correcting heuristic execution
Merge pull request #276 from matfed/master

correcting heuristic execution
deleting job output
Merge pull request #277 from matfed/master

deleting job output
Fix XML well-formedness errors in two workflow definitions
Merge pull request #278 from mpol/well-formed

Fix XML well-formedness errors in two workflow definitions
limit bucket size
Merge pull request #279 from matfed/master

limit bucket size
change in AND R script + auxiliary Bash script
Pig Storage for assigning ids for tuples