#85: updated Softmax to template by Context instead of Policy
#85: updated Generic to template by Context instead of Policy
#85: updated TauFirst to template by Context instead of Policy
#85: updated Bagging to template by Context instead of Policy. This required Bagging to take in a vector of smart pointers for policy objects
Merged
Merge branch 'v0' of https://github.com/sidsen/vowpal_wabbit into v0