* version 2.0.3
- added utils::globalVariables and @importFrom to keep CMD CHECK happy
- added plane parameter to barplot to have alternate coloring for selected components
- now require ggplot2 >= 2.0.0

* version 2.0.2
- fix bug in component optimization

* version 2.0.1
- performance improvement
- fix compatibility of vignette source with knitr 1.7

* version 2.0
- New method is available : SR (Structural Relevance) see vignette
- Major rewrite of plot styling (not backward compatible)
- Various fixes and improvements (especially when dealing with
a single dependant variable)

* version 1.0
Initial version of SCGLR
- method LPLS (Local PLS)