Corrected x-label in TES-WRF figures

Corrected x-labels on TES-WRF histograms and thickened lines
Minor edits

Updated intro TOC
Corrected "low variance" to "high variance"
Typo edits

Lots of misc corrections discovered when transcribing the dissertation
into JGR manuscripts (before Dissertation committee edits)
Merge branch 'master' into no-mark