Disable register keyword to reduce compiler warnings

Minor formatting improvements
"ps" string optimization
Removed travis envs

usermods/TTGO-T-Display/README.md

@@ -55,8 +55,8 @@ Also, while in the `platformio.ini` file, you must change the environment setup
 
 Comment out the line described below:
 ```ini
-# Travis CI binaries (comment this out when building for single board)
-; default_envs = travis_esp8266, esp01, esp01_1m_ota, travis_esp32
+# Release binaries
+; default_envs = nodemcuv2, esp8266_2m, esp01_1m_full, esp32dev, esp32_eth, esp32s2_saola, esp32c3
 ```
 and UNCOMMENT the following line in the 'Single binaries' section:
 ```ini

usermods/usermod_v2_rotary_encoder_ui_ALT/usermod_v2_rotary_encoder_ui_ALT.h

@@ -750,7 +750,7 @@ public:
       StaticJsonDocument<64> root;
       char str[64];
       sprintf_P(str, PSTR("%d~%d~%s"), presetLow, presetHigh, increase?"":"-");
-      root[F("ps")] = str;
+      root["ps"] = str;
       deserializeState(root.as<JsonObject>(), CALL_MODE_BUTTON_PRESET);
 /*
       String apireq = F("win&PL=~");