Monk: fixed Renewing Mist highlight and hint.
Monk: simplified the conditions of Mana Tea hint.
Common rules: looks for raid buff on every group members. Report the number of missing buffs.
Monk: do not hint unglyphed Mana Tea.
Druid: show hints on Starfire/Wrath depending on eclipse direction.
Monk: suggests Uplift on three time the nominal heal (up from 2).
Common: typo in raidbuff handler.
RuleDSL: added a human-readable string for "hint" highlight.
Overlays: fixed a typo which prevented mouseover to work.
Added :IsDeclaredMessage, that allows to get rid of an ugly hack in Overlays.lua.
Use a dedicated frame to watch the mouseover unit.

This allows a more reactive behavior when leaving the mouseover unit.