cleanup of the vw.exe project files
fix for compile error in library_example due to checkin for cleanup of the vw.exe project files
fix export_example bug
fix windows side export_example
move all definitions in namespace VW to vw.h
add main.cc
add main.cc and fix files in library to include vw.h
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
cleanup vw datastructure
caught up with upstream