Initial draft.
Minor updates.
Minor cleanup.
Intro updated. Fast/Slow text added.
Minor typos fixed.
Added citation for Ghoshal et al.
Conclusion added.
Converted eps figures to png.
Added further explanation for Fast/Slow section
Add figure to illustrate Fast/Slow idea
Add acknowledgment to NSF
Converted fast-slow.eps to png.
Removed stray characters.
Polishing: abstract added, Intro links to sections
Minor polishing
Background of DMTCP moved to an Appendix.
Improved fast-slow.fig
Merge branch '2013' of github.com:karya0/scipy_proceedings into 2013
Minor polishing
Minor polishing.