Merge remote-tracking branch 'upstream/0_15' into color_blend_optimiz… #317

Job	Run time
Test cdata.js	56s
Gather Environments	13s
Build Enviornments (nodemcuv2)	1m 14s
Build Enviornments (esp8266_2m)	1m 13s
Build Enviornments (esp01_1m_full)	1m 6s
Build Enviornments (nodemcuv2_160)	1m 6s
Build Enviornments (esp8266_2m_160)	1m 14s
Build Enviornments (esp01_1m_full_160)	1m 1s
Build Enviornments (nodemcuv2_compat)	1m 13s
Build Enviornments (esp8266_2m_compat)	1m 19s
Build Enviornments (esp01_1m_full_compat)	1m 2s
Build Enviornments (esp32dev)	1m 28s
Build Enviornments (esp32_eth)	1m 37s
Build Enviornments (lolin_s2_mini)	1m 43s
Build Enviornments (esp32c3dev)	1m 33s
Build Enviornments (esp32s3dev_16MB_opi)	2m 1s
Build Enviornments (esp32s3dev_8MB_opi)	1m 57s
Build Enviornments (esp32s3_4M_qspi)	1m 59s
Build Enviornments (esp32_wrover)	1m 32s
Create Release	0s
	25m 27s

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