Tactility.py 3.0.0 and SDK updates for 0.7.0-dev (#19)

- Remove `Libraries/Str`
- Replaced usage of `TactilityC` FreeRtos features with `TactilityFreeRtos` library
- Update `tactility.py`
- Removed redundant code from `TactilityCpp`

Apps/Diceware/main/CMakeLists.txt

@@ -1,15 +1,11 @@
 file(GLOB_RECURSE SOURCE_FILES
     Source/*.c*
-    # Library source files must be included directly,
-    # because all regular dependencies get stripped by elf_loader's cmake script
-    ../../../Libraries/Str/Source/*.c**
 )
 
 idf_component_register(
     SRCS ${SOURCE_FILES}
     # Library headers must be included directly,
     # because all regular dependencies get stripped by elf_loader's cmake script
-    INCLUDE_DIRS ../../../Libraries/Str/Include
     INCLUDE_DIRS ../../../Libraries/TactilityCpp/Include
     REQUIRES TactilitySDK
 )