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/visualc/VS2013/.gitignore

@@ -0,0 +1,16 @@
+# Files that may be left over from check-generated-files.sh
+/*.bak
+
+# Visual Studio artifacts
+/.localhistory/
+/.vs/
+/Debug/
+/Release/
+/*.vcxproj.filters
+/*.vcxproj.user
+
+###START_GENERATED_FILES###
+# Files automatically generated by generate_visualc_files.pl
+/mbedTLS.sln
+/*.vcxproj
+###END_GENERATED_FILES###