updated ml.minmax help file

interactivo!
Fix typo in minmax help files. Closes #88
Make minmax indices be integers. Fixes #87
Rename ml.* to ml-*
Remove GRT sources
Revamp build system

- Include static archives rather than building sources for external dependencies
- All paths point inside root of source tree not user's system
- Deployment target to latest Mac OSX i.e. libc++
Update flext and libgrt libraries to libc++
Markdown license
Build individual objects for Max
Share Xcode scheme data
Remove now unneeded [ml] from Max help files
Connect "help" message to usage statement for ml.minmax. Closes #90
Rename "threshold" to "delta" for ml.minmax. Closes #89
Make "clear" the model as well as training data
Add Adaptive Naive Bayes Classifier
Fix minor typo
Update Flext to support arbitrary characters in object names using hex codes
Switch ml-* for ml.* for all objects and libraries
Add capability to build individual externals for Pd in Xcode
Populate "build all" target for Pd