EditorForm (draftjs): Move heading-buttons into initializePlugins, initializePlugins out of class
EditorForm (draftjs): Move heading-buttons into initializePlugins, initializePlugins out of class

Discordius/Lesswrong2,Discordius/Lesswrong2,Discordius/Lesswrong2,Discordius/Lesswrong2