Tactility SDK and release build scripting (#122)

* Implement release scripting and SDK building process
* Fix for CYD display colors
* Various improvements and fixes
* Made build scripts more modular

Buildscripts/CMake/TactilitySDK.cmake

@@ -0,0 +1,19 @@
+function(tactility_project)
+endfunction()
+
+function(_tactility_project)
+endfunction()
+
+macro(tactility_project project_name)
+    set(TACTILITY_SKIP_SPIFFS 1)
+    add_definitions(-DESP_TARGET)
+    add_compile_definitions(ESP_TARGET)
+
+    include("${TACTILITY_SDK_PATH}/Libraries/elf_loader/elf_loader.cmake")
+    project_elf($project_name)
+
+    file(READ ${TACTILITY_SDK_PATH}/idf-version.txt TACTILITY_SDK_IDF_VERSION)
+    if (NOT "$ENV{ESP_IDF_VERSION}" STREQUAL "${TACTILITY_SDK_IDF_VERSION}")
+        message(FATAL_ERROR "ESP-IDF version of Tactility SDK (${TACTILITY_SDK_IDF_VERSION}) does not match current ESP-IDF version ($ENV{ESP_IDF_VERSION})")
+    endif()
+endmacro()