set number of threads spades uses
Merge pull request #226 from andrewjpage/spades_multi_cpu

set number of threads spades uses
force points for gc content
Merge pull request #227 from andrewjpage/gc_content_no_points_fix

force points for gc content
quality heatmap checks for paired ended before creating gp code
Merge pull request #228 from andrewjpage/qc_plot_heatmap_single_ended

quality heatmap checks for paired ended before creating gp code