Deleted linalg.mean, subsumed with functionality from DescriptiveStats.scala. That functionality now lives breeze.stats.
cleanup
Merge pull request #181 from stucchio/stats_cleanup

Stats cleanup
Created wrapper for Apache Commons distributions, used for F-distribution.
Added triangular and weibull, both just wrapping the apache version
Levy distribution
roll implementation for vectors
Merge pull request #184 from stucchio/f_distribution

Built wrapper for apache distributions
Merge pull request #183 from stucchio/perf_hack

Perf hack
Merge pull request #185 from stucchio/roll

roll implementation for vectors
Merge branch 'master' of github.com:scalanlp/breeze into perf_hack