Support inline style with underscore in value#22

NadiaIvaniuckovich wants to merge 1 commit intobetancourtl:masterbetancourtl/draft-js-custom-styles:masterfrom

NadiaIvaniuckovich:fix-for-value-with-underscoreNadiaIvaniuckovich/draft-js-custom-styles:fix-for-value-with-underscoreCopy head branch name to clipboard