style(changelog): switch to plus bullets from asterisk bullets
style(changelog): switch to plus bullets from asterisk bullets

Attempting to disambiguate indented bullet points from emphasis.
UW-Madison-DoIT/uw-frame,thevoiceofzeke/uw-frame,UW-Madison-DoIT/uw-frame,uPortal-Project/uportal-app-framework,paulerickson/uw-frame,thevoiceofzeke/uw-frame,UW-Madison-DoIT/uw-frame,paulerickson/uw-frame,paulerickson/uw-frame,uPortal-Project/uportal-app-framework,uPortal-Project/uportal-app-framework,thevoiceofzeke/uw-frame