make oaa use sequential access
change cb indexing for speed
change csoaa indexing for speed
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
better inf detection
make tests work for lbfgs fix
Merge github.com:JohnLangford/vowpal_wabbit
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit
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
update nan and inf patterns
Merge branch 'master' of github.com:JohnLangford/vowpal_wabbit
updated inf pattern
Merge github.com:JohnLangford/vowpal_wabbit
+progress
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit into bfhits
use boost::program_options instead of getopt