easy-contrast-DESeq2 1.2

- Modification of the dispertion calculation for cluster plots
- Modification on figures (titles, names, legends), comments and log file content
- Modification of the normDiffana.R script to pick up expression file names into the design file
- Control of the case for the design Reference column
- Rotation of the Most expressed features plot
- Remove of the function DeleteUnexpressedGenes because DESeq2 deal with unexpressed features
- Add of the wrapTitle function that put '\n' on long title for printing in 2 or more lines
- Control of the case into the runDESeq2.py script
- Add of the model design file
- Modification of the strategy to construct contrast vector into the buildContrast.R script to deal with case where 2 conditions from the same column of the design are associated (separate by '%' in the comparison formula)
- Add of the column name on the comparisonFile.txt to use a smaller name on figure than the comparison formula
- Modification of -c and -b options. Now the contrast file is automatically named 'projectName'-contrastFile.tsv and -c and -b options accept TRUE or FALSE values
- Remove the --log option. Now the log file is automatically named 'projectName'-deseq2.log
- Add of error message for wrong options into the runDESeq2.py script
- Modification of short options for --expHeader and --projectName options
- Modification of the default name of the design file: deseqDesign.txt
- Update README.md