Fix 'd:' as a special case emoji. Cleanup emojify code.
Fix 'd:' as a special case emoji. Cleanup emojify code.

haadcode/anonymous-networks,haadcode/anonymous-networks,shamb0t/orbit,shamb0t/orbit,haadcode/orbit,haadcode/anonymous-networks,shamb0t/orbit,haadcode/orbit,haadcode/orbit