Dirk Faust

...without this, the serial controller just hangs under Mac OS. If this wasn't needed with older versions of the operating system, we should find out at which version this has...

Fix logging

1

Added libraries (source) and includes to fix `cmake`d builds that have `NRF_LOG_ENABLED` set to 1. Now, logging works. Fixes in detail: ``` In file included from /something/nRF5SDK/components/libraries/log/nrf_log_ctrl.h:59, from /something/nRF5SDK/components/ble/peer_manager/gatt_cache_manager.c:64: /something/nRF5SDK/components/libraries/log/nrf_log_backend_interface.h:54:10:...

The changes in this PR are almost all cosmetics and for "rust"-ier feelings. Biggest change is the standard trait `From` implementation for the Seed which removes the formerly hard constraints...

...as it is not necessary to have a writeable target here

...the actual error assignment was just missing