bugfixes for oaa+nn
demo tweaks
demo tweak
Merge branch 'nnweightsperproblem2' of github.com:pmineiro/vowpal_wabbit into nnweightsperproblem2
Merge pull request #130 from pmineiro/nnweightsperproblem2

Nnweightsperproblem2
added better active_interactor from Nikos
fix windows build tests
Merge branch 'master' of github.com:JohnLangford/vowpal_wabbit
bump version number to 7.3
-q x:  interacts x wr all namespaces. -q :: interacts between all namespaces
clean up + help message
Merge pull request #131 from eHarmony/fancyq

Interact a namespace with all other namespaces