Move . to front of PATH for demo to make sure right x-vs-y.t etc is found
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit
Avoid warnings on multi-pass where feature names are no longer available
Add --bootstrap/-B to integer options
Add --batch_sz integer option for --stage_poly
Merge pull request #331 from arielf/master

Small fixes to vw-hypersearch, random-noise demo and utl/vw-top-errors