OptimClassifier v0.1.4

• Added a vignette
• Remove redundant options in Optim.CART function
• Update Optim.LMM function, added more options
• Added new S3 methods for plot and predict directly with models
• Added a includedata option in training functions
• Unified a criteria option in Optim.DA function
• Added Issue report to DESCRIPTION
• Added Travis-CI (Linux and Mac OS), and AppVeyor (Windows)
• Added installation section and badges to README.md