WowAce

elunaria:
    - Fixed bug where doing no healing in a combat cycle generates a script error in LibGraph
    - Fixing bug in mastery contribution rate
    - Some code cleanup/refactoring:
    No longer trapping the UNIT_AURA event and relying entirely on COMBAT_LOG_EVENT_UNFILTERED,
    
    Changed method to compute average HoTs: averageHots = masteryRate / masteryEffect (credit: Koor),
    
    Added plotting of time series data for raw healing & mastery-affected healing using LibGraph-2.0
    - Added tracking of healing contribution from mastery (summary is still going to the chat frame), Added experimental LibGraph-2.0 support
    - Removing my debug print statements
    - Fixing bug in stats interpolation Code cleanup
    - First shot at tracking HPT/s for combat segments
    - Adding Cenarion Ward & removing Ironbark as suggested by theburned
    - Adding display of mastery value to bar
    - Adding HPTBar.lua & HPTBar.toc to repo