Add several wrapper classes
This includes wrappers for `pthread_cond_t`, `pthread_mutex_t`.
This also add a implementation of the `scoped locking` Pattern.
Namespace for these kind of files is `se2::util`.
Delete old Lock class
Fix autogenerated file (common.mk)
I don't know why Momentics do not update this. But we need another
Path in this file. If this triggers problems we should revert this commit.
Rename HWaccess.h to HWaccess.hpp
This file needs to be fixed (because of its LF)
Update blink example to work with our wrappers
This file will be removed soon