runner: first commit for the mini-shell integration
runner: do not save wrong path if user "cd" to a wrong directory
runner: minishell has an history
runner: minishell shows waiting picture

So that the user knows their command has been sent to the server
runner: minishell warns user when command couldn't be sent correctly
slaprunner: minishell looks better
runner: minishell prevents <Tab> keystroke from happening
runner: minishell keeps displaying previous commands' returns
runner: minishell displays current path
slaprunner: vifib info updated (in footer)
runner: direct links to slapos doc and forum added
runner: adds timeout for command runned in minishell
runner: handles better the "cd" command in minishell.

It didn't react well in "timeout X cd" because cd is a shell function
runner: show waiting symbol in shell (it is more visible)
Release 0.39.3 (Runner + Resilience)