report improvements

• remove pointless R output [done]
• include materials and methods section
• explain algn efficiency
• more docu for lib-complexity in fastqc report
• add Figure 9.3: Features: genes seen in the whole data set. The x-axis displays the number of uniquely aligned fragments and the y-axis shows how many features are seen within each x subset of fragments.
• add PCA (1−2) of top 500 most diverse genes
• add toc (floating if we can adjust content width) or via markdown if not [done]
• detail out column model of main results table(s)
• render ensbml link in interactive table (make sure to also include non-ensembl data)
• prep example data for testing
• use symbols for "Extract most signifiantly changed genes and display" heatmap (if present)