Added more checks for the sbatch version (scratch folder existence, number of threads for the main script)

wGRR calculations based on clustering and protein families have been removed. Instead, an option to calculate the Jaccard index has been added.
Now calculates the Sorensen-Dice index.
Improved the screen output.
Now the valid awk path is passed correctly to the worker.
Added an option to restrict the analysis to a subset of elements via a file containing a list of elements id.
Set the MMSeqs2 sensitivity parameter to 7.5