[init] Update documentation (lsedlar)
    
    - [init] Iterate over arches just once (lsedlar)
    - [init] Remove duplicated checks for comps (lsedlar)
    - [init] Break long lines (lsedlar)
    - [init] Don't overwrite the same log file (lsedlar)
    - [init] Add config option for keeping original comps (lsedlar)
    - Add tests for the init phase (lsedlar)
    - [checks] Test printing in all cases (lsedlar)
    - [checks] Reduce code duplication (lsedlar)
    - [checks] Relax check for genisoimage (lsedlar)
    - [checks] Remove duplicate msgfmt line (lsedlar)
    - [checks] Relax check for isohybrid command (lsedlar)
    - [checks] Add tests for dependency checking (lsedlar)
    - [checks] Don't always require jigdo (lsedlar)
    - [pkgset] Respect inherit setting (lsedlar)
    - specify that the 4.0 docs are for 4.0.8 (dennis)
    - [live-media] Support release set to None globally (lsedlar)
    - include tests/fixtures/* in the tarball (dennis)
    
    Signed-off-by: Dennis Gilmore <dennis@ausil.us>