v4.1.1

Fix:

• Building for ESP8266 (5f629d3)
• Reduce "image noise" at screen border, during fastmode, for DEPG0213BNS800 (523defb)
• setBackgroundColor() fills memory with color, when using update() (9ab232c)

Doc:

• New example for Wireless Paper: download.ino (57e9055)
• New observation: some of the LCMEN2R13EFC1 Wireless Paper boards now have a sticker, showing "V1.1". (05c895c)