Update README.md
Added code for PCA inverse transform
Merge pull request #7 from treadstone90/inverseTransform

Added code for PCA inverse transform
Change version to 1.1.2-SNAPSHOT.
Fixed (weird) bug in data indexer  that was making it so that real value features weren't working correctly.
Enable verbose flag.
Enable verbose flag.
Add confusion matrix code from Scalabha.
Add verbose check for done message.
Started moving toward Breeze style definitions for features, observations, etc.
#9 progress. Started moving toward Breeze style definitions for features, observations, etc.
Merge branch 'master' of github.com:scalanlp/nak
Closes #8. Added ScalaTest and simple test of liblinear model using it.
#9 progress: added breeze.data classes and set up Classify to use those instead of the legacy indexers and data structures. Also added NakContext object to provide commonly needed things like reading examples from various types of sources.
#9 progress: further fleshing out of the use of breeze.data classes. Added example indexer and featurizers. Simplified the nak.app.Classify considerably.
#9 progress: Added train method that creates a FeaturizedClassifer (added that class too), which handles indexation, etc, inside and produces a classifier that can be applied directly to raw observations.
Added object to select solvers by string.
Updated to SBT 0.12.3
#9 progress. Added PPA example for using the API, and started adding more Scaladoc comments.
Added documentation, including some deprecation warnings. Removed old liblinear example.