removed extra code from wrappers
merge_taxa.sh now executable
removed .sh from merge_taxa
now sources edgeR
removed verbose
added gradient capabilities
added heatmap, stats, loading utils
made 3-axis view optional
added support for custom distance matrix to gradients
Added support for principal coords input
Now processes QIIME-formatted PCoA files differently to remove extraneous last two lines
added RF cross-validation functions
added balanced folds function
Made plot-gradients executable with #/usr/bin/env Rscript
added k-nearest-neighbors code
added capability for plotting metadata
Now uses transparency and borders for points
Now makes only one PCoA plot for metadata plotting
Initial commit
removed black border around points