reda 0.2.1

New features

• Implementation of spline baseline rate function.
• Added function AIC and BIC.

Major changes

• Renamed main function name from heart to rateReg and added new argument.
• Updated object class of fitted model.
• Replaced sample simulated dataset for demonstration.

Bug fixes

• Updated S4 method plotMcf,sampleMcf: Replaced show_guide with
  show.legend in function geom_text to incorporate updates in package
  ggplot2 v1.0.1.
• Minor updates that clear checking note from CRAN.