let the repeat mask class and alternate design options be set by variables
set exon check flank length from variable, not hard coded
gibson ui design parameters from the diagram are now set by tt variables
rename diagram parameter variables
Merge branch 'devel' into redo_params
remove un-needed parameter setting in form url
remove print statements, make ensemble_gene_id optional parameter
Merge branch 'master' into devel
Merge branch 'master' into devel