Unofficial Development Kit for Espressif ESP8266 v2.0.8

• Added Espressif MESH SDK (beta) (folder ESP8266_MESH_SDK);
• Update SDK v1.3.0 (folder ESP8266_SDK);
• SDK version 1.2.0 moved to a folder ESP8266_SDK_120;
• SDRAM Optimization Patch for SDK_v1.2.0 (folder "ESP8266_SDK");
• Update RTOS SDK v1.1.0 21.08.2015 (folder "ESP8266_RTOS_SDK");
• Updated Makefile in all examples, added option USEMEMANALYZER, BAUD, SPI_SIZE_MAP;
• Update a utility "utils\esptool.exe" (big thanks pvvx);
• Update a utility "utils\esptool-ck.exe" to version 0.4.6-1:
• Updated documentation:
  • Delete files:
    • 2A-ESP8266__IOT_SDK_User_Manual__EN_v1.1.0.pdf
    • 2C-ESP8266__SDK__Programming Guide__EN_v1.2.0.pdf
    • 4A-ESP8266__AT Instruction Set__EN_v0.30.pdf
    • 4B-ESP8266__AT Command Examples__EN_v0.5.pdf
  • Added files:
    • 2A-ESP8266__IOT_SDK_User_Manual__EN_v1.3.0.pdf
    • 2C-ESP8266__SDK__Programming Guide__EN_v1.3.0.pdf
    • 4A-ESP8266__AT Instruction Set__EN_v0.40.pdf
    • 4B-ESP8266__AT Command Examples__EN_v0.6.pdf
    • 5A-ESP8266__SDK__SSL_User_Manual__EN_v1.1.pdf
    • 20A-ESP8266__RTOS_SDK__Programming Guide__EN_v1.0.5.pdf
    • 9B-ESP8266__Sleep__Function Description__EN_v1.0.pdf
    • 30A_ESP8266__Mesh_User Guide__EN_v1.0.pdf
• Updated examples:
  • nodemcu-firmware;
  • esphttpd;
  • esp_mqtt;
• Remove examples:
  • hello_world_cpp_irom;
  • lwip_lib;
• Added examples:
  • esp_rtos_sdk_example_2;
  • lwip_open_demo_app;
  • esp_mesh_sdk_app_controller;
  • esp_mesh_sdk_app_light;
  • esp_mesh_sdk_app_switch;