switched default of break_on_bad in StructuredSVM and OneSlackSSVM from True to False.
Add "switch_to_ad3" to OneSlackSSVM for staring with qpbo and ending with ad3.
Add soft warm-starts to one_slack ssvm: preserves curves and cache.
Merge branch 'master' of github.com:amueller/pystruct
trying to fix timestamp issues (again?)
DOC link to website in Readme