files for a 'discrete time integrator'
added the export of a NARX integrator
- added support for NARX models in modelContainer, modelData etc
- start implementation of NARX export class
examples/.gitignore ignores all getting_started constructs
Merge branch 'master' of github.com:mvukov/acado
Merge branch 'master' of git://github.com/rienq/acado