standardization is now optional
center and scale estimates are returned; bugfixes
renamed internal C++ function rank() to fix error with clang++; changes in help files
package robustbase now imported in NAMESPACE
finished release 0.2.1
changed version number for new release to 0.3.0
minor changes in help files
bugfix in functions for CCA regarding crash of R session (fixes #14)
Merge branch 'master' into sparse