fix hash inversion problem
minor tweaks for compile warnings
Merge branch 'master' of github.com:JohnLangford/vowpal_wabbit
fixed reduction bug
removed -ffast-math
removed progress from active learning to avoid test failure
remove predict from test 62 for reproducability
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit
Better handling of "no data. Can't compare" case:
- Give clearer indication of what happened to the user.
- Save the lenient-diff file for later inspection.
- Also: close the file descriptor when giving up.