Minor bugs and amendments.

Significant changes to ABADV, including: the ability to filter results
by probe (antisense, sense or both), section (coronal, sagittal or
both), and visualization (pie, bar, heatmap or all three); collecting
all available visualizations into a single page so users don't bounce
around between separate pages; and minor bug fixes (erroneous input,
garbeled text and visuals, performance, etc.)