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

libs/mbedtls/tests/data_files/parse_input/server9.req.sha1

@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----