Merge commit '2f5789750183d4ef8be125b8cb32019441dd0530'

Return codes of functions should be either used or evaluated - always. This
merge is necessary for shell scripting to, eg. signal

Merge commit '2f5789750183d4ef8be125b8cb32019441dd0530'

Return codes of functions should be either used or evaluated - always. This
merge is necessary for shell scripting to, eg. signal there was an error during
execution.

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ID:355 - Fix compiler warnings

Commit removes all unused variables reported by compiler.

Move all files one level up in the file hierarcy, to avoid the useless ipmitool directory.