Merge branch 'release/0.17.3':
This mainly add the ability to compute silhouettes on NMF results
Merge branch 'release/0.17.4'
Merge branch 'release/0.17.5'
Merge branch 'release/0.18'
Merge branch 'devel': removed sandbox sub-directory
Fix collate order for Bioc-layer.R and transforms.R
Reduce number of runs in example of silhouette.NMF to limit timing
Reduce number of runs in example of silhouette.NMF to limit timing (man page)
Add argument .parameters to nmf,ANY,ANY,list-method to pass method-specific paramters
Fix bug in main nmf function when calling a method defined in another package
Allow a method to be passed as a single string in nmfReport
Rename slot 'mfiles' into 'mcode' in class NMFStrategyOctave, and standard sub-directory for .m files from matlab/ to m-files/
Adapt for R >= 3.0.0
Rename standard sub-directory for .m files from matlab/ to m-files/
Update vignettes
Merge branch 'hotfix/0.18.1' into devel (in fact version 0.18.2)