Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit into recommend
topN priority queue
cleanup vw datastructure
caught up with upstream
Merge pull request #122 from petricek/recommend

Recommend
Increase summary output decimal precision

Previously the average logistic loss metric effectively only had four digits, and was inconsistent with the output for the sample iterations (which have six).
bfgs preconditioner extreme case limiter
better inf detection
make tests work for lbfgs fix
Add utl/logistic: maps 1st number x on each input line to logistic(x)
Merge pull request #124 from arielf/master

Add utl/logistic: maps 1st number x on each input line to logistic(x)
Merge pull request #123 from harob/master

Increase summary output decimal precision