Support for PC platform (#12)

* improvements for cross-platform compiling

* moved tactility-core to libs/

* splitup improvements

* remove git/gitmodules from freertos

* better platformbetter platform checks

* added build scripts

* delete mbedtls

* re-add mbedtls

* fixes and improvements

* added pc build

* simplify build scripts

* revert build scrpit

* updated builds

* fix for pc

* fix for pc

* fix for build

tactility-core/src/core.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <stdlib.h>
+
+#include "tactility_core.h"
+
+#include "event_flag.h"
+#include "kernel.h"
+#include "message_queue.h"
+#include "mutex.h"
+#include "pubsub.h"
+#include "semaphore.h"
+#include "string.h"
+#include "thread.h"
+#include "timer.h"
+#include "tt_stream_buffer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void tt_core_init();
+
+#ifdef __cplusplus
+}
+#endif