topN recommendation
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit into recommend
topN priority queue
Merge pull request #120 from NiruC/master

consolidate definitions of VW exposed methods in vw.h
remove spurious mains
Merge pull request #117 from petricek/recommend

topN recommendation
fix library build
in the midst of debug
finally fixed, forced stride * weights_per_problem to be divisible by 2
Merge pull request #121 from jhofman/master

cache-friendly striping across problems
make oaa use sequential access
change cb indexing for speed
change csoaa indexing for speed
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).
add support for max_examples in VW for TLC
fixed order of checks in support for max examples for TLC
bfgs preconditioner extreme case limiter