commands: move manpages into command directoriesChange-Id: Icf8a2d26629a1822725022c9ee21c587d3c4c3b4
commands: resolve compiler warningsChange-Id: I95f0d0c48f998d4d950a0800eedd5fbbf2e50423
New sources layoutChange-Id: Ic716f336b7071063997cf5b4dae6d50e0b4631e9