remove adagrad, add averaging and optional shufflen to ssvm
SSGD: make default step-size schedule be pegasos, add auto learning-rate for that.
Fix documentation of averaging and document shuffle.
fix backporting problem
TST SSGD: use default parameters in tests
ENH/FIX pegasos learning rates in subgradient latent svm
addressed @fgregg's comments
Added somewhat of a changelog.
fix duality gap calculation
rename p and k into iteration
add tests for frank wolfe pickling and batch version.
fix:  make test easier so that we can use qpbo
Remove redundant constraint in LP construction, get rid of GLPK
dependency!
DOC add reference to papers to learner docs.
DOC correct shape of y in EdgeFeatureGraphCRF. Closes #98.
FIX remove debugging output!
fix bug in test, also do less precision....