Release v0.11.0

Add: extensive updates to Builder features, installation, user guide and source code (#109). Updates captured in #79 and #80.
Add: creation of numerous example configurations (in /configs). Many supported displays and shields now pre-configured according to Table of TFT / OLED shields & breakout boards
Change: major simplification of configuration options, now specific to the display/touch combination
Change: extensive rewrite of touch & orientation handling (#96, #97, #98, #105), related fixes. Added touch pin detection, calibration and test sketches. Please refer to migration notes below.
Add: support for GPIO / keyboard controls (#66), M5stack buttons (#84)
Fix: many fixes in TFT_eSPI mode
Change: default font for RPi is now NotoMono-Regular
Add: support for images in RAM or Flash (#101)
Add: support for checkbox / radio button callbacks (#74)
Add: startup reporting of version and config modes (can be disabled with INIT_MSG_DISABLE)
Add: support for mcufriend (#87)
Add: support for HX8357
Add: support for HX8347D
Add: support for XPT2046_PS (from PaulStoffregen/XPT2046_Touchscreen)
Add: support for STM32 from STM, Arduino DUE, Arduino Zero
Change: default for fill attribute on ElemCreateBtnImg() / ElemCreateImg() changed to true to improve redraw performance
Fix: dynamic image updates (#91)
Fix: numerous miscellaneous fixes

Users are strongly encouraged to start using the example configs instead of the legacy GUIslice_config_ard.h or GUIslice_config_linux.h. Please refer to How to Configure GUIslice
STM32 users with DRV_TOUCH_XPT2046: Need to select DRV_TOUCH_XPT2046_STM instead.
Resistive touch users (DRV_TOUCH_SIMPLE, DRV_TOUCH_STMPE610, DRV_TOUCH_XPT2046*) should run the new touch pin detection and calibration utilities. Please refer to Configuring Touch Support
Debug error messaging has now been enabled by default. This can be disabled (to conserve RAM once correct operation is confirmed) by setting DEBUG_ERR set to 1.

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