Cleanup and small issues

pio.ini: cleanup debug directives (build_flags_min move to _debug), remove blynks

index.htm/js: 
- visualization in div to turn of if 1D
- scale visualizations if height>width

json.cpp, util.cpp: USER/DEBUG_PRINT changes

platformio.ini

@@ -750,18 +750,12 @@ board_build.partitions = ${esp32.default_partitions}
 build_flags_min = 
   -Wall -Wformat -Woverflow -Wuninitialized -Winit-self -Warray-bounds ; enables more warnings
   -Wno-attributes -Wno-unused-variable -Wno-unused-function -Wno-deprecated-declarations ;disables some stupid warnings
-  -D WLED_DISABLE_BLYNK ; BLYNK is only provided for backwards compatibility (no new users accepted)
   ;-D WLED_DISABLE_BROWNOUT_DET ; enable if you get "brownout detected" errors at startup 
   -D WLED_USE_MY_CONFIG
   ; -D WLED_USE_CIE_BRIGHTNESS_TABLE ;; experimental: use different color / brightness lookup table
   -D USERMOD_AUDIOREACTIVE
   -D UM_AUDIOREACTIVE_USE_NEW_FFT ; use latest (upstream) FFTLib, instead of older library modified by blazoncek. Slightly faster, more accurate, needs 2KB RAM extra   
   -D USERMOD_CUSTOMEFFECTS ; WLEDMM usermod
-  ; -D WLED_DEBUG_HOST='"192.168.xxx.xxx"' ;; to send debug messages over network to host 192.168.x.y - FQDN is also possible
-  ; -D WLED_DEBUG_NET_PORT=1768 ;; port for network debugging. default = 7868
-  ; -D WLED_DEBUG ; lots of generic debug messages
-  ; -D SR_DEBUG ; some extra debug messages from audioreactive
-  ; -D MIC_LOGGER ; for sound input monitoring & debugging (use arduino serial plotter)
   ; -D WLED_DISABLE_LOXONE
   ; -D WLED_DISABLE_ALEXA
   ; -D WLED_DISABLE_HUESYNC
@@ -917,13 +911,6 @@ build_flags = ${esp32_4MB_max_base.build_flags}
   ; RAM:   [==        ]  24.4% (used 79804 bytes from 327680 bytes)
   ; Flash: [========= ]  88.7% (used 1394813 bytes from 1572864 bytes)
 
-[env:esp32_4MB_max_debug]
-extends = esp32_4MB_max_base
-build_flags = ${esp32_4MB_max_base.build_flags}
-  -D WLED_RELEASE_NAME=esp32_4MB_max_debug
-  -D WLED_DEBUG -D SR_DEBUG
-monitor_filters = esp32_exception_decoder
-
 [env:esp32_4MB_all]
 extends = esp32_4MB_all_base
 build_flags = ${esp32_4MB_all_base.build_flags}
@@ -941,13 +928,27 @@ board_build.partitions = ${Board_ESP32_16MB.board_build.partitions}
   ; Flash: [=======   ]  67.0% (used 1405701 bytes from 2097152 bytes)
 ;lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
 
+[env:esp32_4MB_max_debug]
+extends = esp32_4MB_max_base
+build_flags = ${esp32_4MB_max_base.build_flags}
+  -D WLED_RELEASE_NAME=esp32_4MB_max_debug
+  -D WLED_DEBUG ; lots of generic debug messages
+  -D SR_DEBUG ; some extra debug messages from audioreactive
+  ; -D WLED_DEBUG_HOST='"192.168.xxx.xxx"' ;; to send debug messages over network to host 192.168.x.y - FQDN is also possible
+  ; -D WLED_DEBUG_NET_PORT=1768 ;; port for network debugging. default = 7868
+  ; -D MIC_LOGGER ; for sound input monitoring & debugging (use arduino serial plotter)
+monitor_filters = esp32_exception_decoder
+
 [env:esp32_16MB_max_debug]
 extends = esp32_4MB_max_base
 build_unflags = ${common.build_unflags}
   -D CORE_DEBUG_LEVEL=0
 build_flags = ${esp32_4MB_max_base.build_flags}
   -D WLED_RELEASE_NAME=esp32_16MB_max_debug
-  -D WLED_DEBUG -D SR_DEBUG
+  -D WLED_DEBUG ; lots of generic debug messages
+  -D SR_DEBUG ; some extra debug messages from audioreactive
+  ; -D WLED_DEBUG_HOST='"192.168.xxx.xxx"' ;; to send debug messages over network to host 192.168.x.y - FQDN is also possible
+  ; -D WLED_DEBUG_NET_PORT=1768 ;; port for network debugging. default = 7868
   ; -D MIC_LOGGER
   -D CORE_DEBUG_LEVEL=4  ;; 0=none, 1=error, 2=warning, 3=info, 4=debug, 5=verbose
 board = ${Board_ESP32_16MB.board}
@@ -971,7 +972,6 @@ board_build.f_cpu = 160000000L    ;; we want 160Mhz (default = 80Mhz)
 build_flags = ${common.build_flags_esp8266}
   -D WLED_RELEASE_NAME=esp8266_4MB_min
   -D WLED_DISABLE_ALEXA
-  -D WLED_DISABLE_BLYNK
   -D WLED_DISABLE_HUESYNC
   ; -D WLED_DISABLE_2D
   ; -UWLED_USE_MY_CONFIG
@@ -988,7 +988,6 @@ build_flags = ${common.build_flags_esp8266}
   -D WLED_RELEASE_NAME=esp8266_4MB_max
   -D WLED_MAX_USERMODS=5 ; default only 4-6
   -D WLED_DISABLE_ALEXA
-  -D WLED_DISABLE_BLYNK
   -D WLED_DISABLE_HUESYNC
   -D WLED_DISABLE_LOXONE
   ; -D USERMOD_AUDIOREACTIVE
@@ -1016,7 +1015,6 @@ extends = env:d1_mini
 board_build.filesystem = littlefs
 build_flags = ${common.build_flags_esp8266} -D WLED_RELEASE_NAME=ESP8266
   -D WLED_DISABLE_ALEXA
-  -D WLED_DISABLE_BLYNK
   -D WLED_DISABLE_HUESYNC
   -D WLED_DISABLE_LOXONE
   -D WLED_DISABLE_AUDIO ;WLEDMM not used anywhere
@@ -1054,7 +1052,6 @@ build_flags = ${common.build_flags_esp8266}
   -D WLED_RELEASE_NAME=esp8266pro_16MB_min
   -D WLED_WATCHDOG_TIMEOUT=0
   -D WLED_DISABLE_ALEXA
-  -D WLED_DISABLE_BLYNK
   -D WLED_DISABLE_HUESYNC
   ; -D WLED_DEBUG
   ; -D WLED_DISABLE_2D
@@ -1071,7 +1068,7 @@ platform = ${common.platform_wled_default}
 platform_packages = ${common.platform_packages}
 board_build.ldscript = ${common.ldscript_1m128k}
 build_unflags = ${common.build_unflags}
-build_flags = ${common.build_flags_esp8266} -D WLED_DISABLE_OTA -D WLED_DISABLE_BLYNK
+build_flags = ${common.build_flags_esp8266} -D WLED_DISABLE_OTA
   -D WLED_RELEASE_NAME=esp01_1MB_min
   -D WLED_DISABLE_ALEXA
   -D WLED_DISABLE_HUESYNC
@@ -1190,7 +1187,6 @@ build_flags =  ${esp32_4MB_V4_max_base.build_flags}
   -D ARDUINO_USB_MODE=1 -D ARDUINO_USB_CDC_ON_BOOT=0 -D ARDUINO_USB_MSC_ON_BOOT=0 -D ARDUINO_USB_DFU_ON_BOOT=0
   -D WLED_WATCHDOG_TIMEOUT=0 
   ; -D U8X8_HAVE_2ND_HW_I2C ;; experimental - tells U8g2 lib that a second HW I2C unit exists
-  -D WLED_DISABLE_BLYNK ;; seems that BLYNK does not work on -S3
   -D WLED_DISABLE_LOXONE ; FLASH 1272 bytes
   -D WLED_DISABLE_ALEXA ;  RAM 116 bytes; FLASH 13524 bytes
   ; -D WLED_DISABLE_MQTT ;   RAM 216 bytes; FLASH 16496 bytes