* Add Add Well Picks button to well log formation settings
* Expose formation zone colors and shading alpha from RFT track
* Average observed pressures per formation with full min/max range
* Show formation-colored observed pressure and depth filter in RFT correlation plots
* Default new RFT correlation plots to formation filter and ensemble parameter coloring
* Move Qwt code out of RFT correlation Rim classes
* Align RFT correlation depth filter bars and click zones with displayed track formations