* Fix source-is-up check (Nikita Koshikov)
 * Fix some minor command line parsing issues (Nico Schottelius)
 * Correct output, if configuration is not in cconfig format (Nico Schottelius)
 * Minor code cleanups and optimisations (Nico Schottelius)
 * ccollect_analyse_logs.sh traps more errors and warnings (Patrick Drolet)
 * Remove -v for mkdir and rm, as they are not POSIX (Patrick Drolet)
 * Export destination_* to source specific post_exec (Nico Schottelius)
 * Update documentation regarding exported variables (Nico Schottelius)
 * Simplify time calculation (Nico Schottelius)
 * Documentate pre_exec error handling (Nico Schottelius)