added argument for normalization
updated help files
fixed help file for sparseLTS()
objective function in sparse LTS is now computed with coefficients for normalized data (if applicable)
using .n_elem instead of .size() for all arma vectors
removed unnecessary C++ code from fastLasso()
updated release date
release version 0.4.0
most dependencies are now imports instead of depends
updated date for release 0.4.0
Merge branch 'master' of https://github.com/aalfons/robustHD
release 0.4.0
C++ now casts integers explicitly to double in sqrt() (necessary for Solaris)
minimal change in C++ code
Merge branch 'master' into groupwise

Conflicts:
	DESCRIPTION
	NEWS
	man/robustHD-package.Rd