Merge pull request #7 from pavanvidem/deseq2

only add factor if factor is applied to the selected samples
Make the installation of workflows more clear.
misc fixes
documentation updates and better error handling
Merge branch 'master' of https://github.com/bgruening/galaxytools
improved error handling
cleanups and bugfixes all over the place
use macros, fix some inconsitencies
fixes
import macros to the tool definition
several fixes and cleanups
bugfixes
starting migration and pulling all missing pieces together
adding a version to be build from source as comment
minor changes
Merge branch 'master' of https://github.com/bgruening/galaxytools into deseq2
renamed sections in xml file, added fittype option