Title-case list headers and remove trailing colons.
Title-case list headers and remove trailing colons.

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quasar-analytics/quasar,jedesah/Quasar,djspiewak/quasar,quasar-analytics/quasar,jedesah/Quasar,slamdata/slamengine,drostron/quasar,jedesah/Quasar,drostron/quasar,quasar-analytics/quasar,slamdata/slamengine,drostron/quasar,jedesah/Quasar,drostron/quasar,slamdata/quasar,quasar-analytics/quasar,slamdata/slamengine