binary barrier (non digital) options
binomial evaluation of single barrier options
boyle-lau correction for binomial trees on single barrier options
Derman-Kani adjustment for single barrier options
clarify eta and phi
Removed extra batch file.
Add missing Greeks in degenerate case.
Fix copyright attribution.
Simplify calculation of eta and phi.
Remove reference to Greeks as they're not calculated.
Remove unused variable.
Update Dev-C++ projects.
Remove more unused variables.
Merge pull request #138.