Added threading to package file.
Merge pull request #41 from Stapelzeiger/master

Don't use malloc mutex before the OS is started
Add local timestamp functions (fix issue #42)
Fix typo in header guard
Moved systick timer and context-switch interrupt routines to platform-abstraction.
Merge branch 'master' into timestamp
Added uCOS-III timestamp implementation.
Make register definitions volatile, add comments.
Added note with configuration instructions for timestamps.
Merge pull request #43 from antoinealb/timestamp

Add local timestamp functions (fix issue #42)
add extern "C" to headers for C++