FeatureVector is a wrapper for Array[Int] for bianry feature vectors
add a minimize method to OptParams
Merge pull request #38 from devonbryant/master

Fix breeze-learn breakages caused by PR 36
Allow retrieval of parameters in neural networks

The compiler disallows accessing parameters directly, thus renaming parameters to _parameters and adding a getter for the parameters Array.
Merge pull request #40 from rtreffer/patch-1

Allow retrieval of parameters in neural networks
Merge remote-tracking branch 'scalanlp/master'
0.2.1, which asks java to emit 1.6 bytecode.
Merge tag 'releases/v0.2.1'

Conflicts:
	version.sbt