Add AIC as model selection criteria
Package model selection changes
Fix AIC in gemm.default parallel
Fix reverse tau and r in cross val parallel
Increment subversion, add AIC docs, update Readme
Remove v1.1 tarball
Add support for tau-a and tau-b
Package tau-a/b changes
Add tau tie calculations and output to C functions
Fix tau output for cross validation
Add functions for tau pairs, concordances, discordances, etc
Package tau changes
doc update for tauTest and gemmEst