pentrace: neatened code, added new argument noaddzero if user wants to prevent unpenalized model from being tried; add new test script in tests
bplot: fixed bug whereby xlabrot was ignored.  Thanks: Sven Krackow <sven.krackow@gmail.com>; new test for bplot in tests directory
plot.Predict: fixed bug in which 2nd argument to perim was not correct
plot.Predict: finished perim correction
plot.Predict: fixed for non-factor 2nd variables
predab.resample() expects 'tolerance' to be passed along as 'tol'
Merge pull request #5 from smcintosh/master

predab.resample() expects 'tolerance' to be passed along as 'tol'
tests: new test for validate.ols
predictrms: computed offset earlier so always defined no matter the value of type
plot.Predict: added scaletrans argument
Merge branch 'master' of github.com:harrelfe/rms
fix
plot.Predict: fixed use of subscripts in pan
pentrace: fixed omissions in help file
Merge remote-tracking branch 'upstream/master'