Minor fixes in future work.
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Merge branch 'master' of github.com:abduld/CS598
Minor change in abstract.
Merge branch 'master' of github.com:abduld/CS598