* api: GetColorGradient method to return a color c between color a and b given a ratio
* panel: show damaged items on the repair tooltip with damage breakdown
* api: add math.modf shim from later wow lua
* api: improve GetColorGradient so it accepts an arbitrary number of color points to plot gradient
* panel: use improved GetColorGradient to color percentage damage green to yellow to red
* api: SendChatMessageWide will use raid warning if player is raid leader or assist
* loot: rearrange advanced masterloot menus so random rolling and special recipients precede class menu
* loot: fix a special recipients unitpopup menu check so they won't show in the context menu when the player is solo
* loot: change the auto confirm bind when solo implementation, so player doesn't have to double-click the loot
* loot: make sure it works if the loot bind confirmation staticpopup is not at index 1