Adapted can interrupt vector names for stm32f3.
Typo
added examples of action and event declarations as comments to postman.
can driver: atomic queues have to be package private.

set default size of atomic queues in can criver to 32 enabling interrupt based handling of raw can messages.
Fix return type of Terminal::read()
do not disable channel while configuring. It causes drop in output.

Todo: Think about, when channel has to be disabled, and when not.
Merge branch 'develop' into feature/gui