cleaned up examples
uniform explicit include guards
removed leading _ in constant.h
error check all calls to calloc
fixed Martin's nasty multiline parse bug
fix holdout loss
Merge pull request #265 from pierce1987/master

fix holdout loss
Add regression test (Test 60) for 'holdout got broken'
Merge pull request #266 from arielf/master

Add regression test (Test 60) for 'holdout got broken'
renamed local_update and initialized min_label
fixed crazy searn bug that made dagger not work very well unless alpha was tiny
Merge pull request #267 from hal3/master

fixed crazy searn bug that made dagger not work very well unless alpha was tiny
error handling on failed file open
Merge branch 'master' of github.com:JohnLangford/vowpal_wabbit
propagate error correction to tests
move early terminate check to end of pass
fix VS compile
Merge pull request #270 from petricek/early_terminate_fix

bugfix: --early_terminate
bump version number
added 
 and 
 features for neighbors in searn