Version 1.5.3

- added support for GDEQ0426T82 4.26" b/w 800x480
- added support for GDEY0266F51H 2.66" 4-color 184x460
- added support for GDEY029F51H 2.9" 4-color 168x384
- added support for GDEY0420F51 4.2" 4-color 400x300
- added support for Waveshare 3.00" 4-color e-paper display 168x400
- updated support for Waveshare 4.37" 4-color e-paper display 512x368
- the 4-color displays have partial window addressing and refresh
- renamed GDEY042T91 to its new official name GDEY042T81