v0.9.2

Release notes for pre-existing release (v0.9.2 on 2018/01/06; changes from 0.9):

• Add: Support for alternate Adafruit-GFX fonts
• Add: Support for TFT_eSPI
• Add: Improved memory consumption for Arduino (including initial support for elements in FLASH).
  See examples in /arduino_min
• Add: Support for HX8357 display driver
• Add: Support for XPT2046 touch driver (via TFT_eSPI)
• Add: Graph control
• Add: Dynamic screen rotation
• Fix: Improved support for compiling across device variants
• Fix: Ramp redraw
• Fix: Checkbox/radio button glowing
• Fix: Text height with scaling
• Fix: Improved touch response handling
• Fix: DebugPrintf() output of 0

Migration Notes (since v0.9.0):

• FontAdd() API has changed
• DrvGetTxtSize() API has changed
• GUIslice_config.h: Added GSLC_TOUCH_MAX_EVT, ADAGFX_ROTATE