[sheepdog] [sheepdog/sheepdog] 1e24ae: sheep: display features in the "-v" option.

[Hitoshi Mitake]

  Branch: refs/heads/master
  Home:   https://github.com/sheepdog/sheepdog
  Commit: 1e24ae3b19974336b984737bf4ed57cf3a9ee8e2
      https://github.com/sheepdog/sheepdog/commit/1e24ae3b19974336b984737bf4ed57cf3a9ee8e2
  Author: Kazuhisa Hara <khara at sios.com>
  Date:   2017-05-03 (Wed, 03 May 2017)

  Changed paths:
    M sheep/sheep.c

  Log Message:
  -----------
  sheep: display features in the "-v" option.

This change provides displays supported cluster drivers and features
in "-v" option.

e.g.
    # sheep -v
    Sheepdog daemon version 1.0_126_g929d401_dirty

    Supported features:
    	Cluster drivers: zookeeper corosync local
    	Miscellaneous: http diskvnodes nfs trace

Similarly, if the cluster driver option is wrong it will also display
the supported cluster drivers. this is continue to avail.

e.g.
    # sheep -c hoge
    Invalid cluster driver 'hoge'

    Supported features:
    	Cluster drivers: zookeeper corosync local

Signed-off-by: Kazuhisa Hara <khara at sios.com>


  Commit: 7bd15c5c7a0cd88debc286a56f9953bf68a17b04
      https://github.com/sheepdog/sheepdog/commit/7bd15c5c7a0cd88debc286a56f9953bf68a17b04
  Author: Hitoshi Mitake <mitake.hitoshi at gmail.com>
  Date:   2017-05-12 (Fri, 12 May 2017)

  Changed paths:
    M sheep/sheep.c

  Log Message:
  -----------
  Merge pull request #391 from kazuhisya/show-features

sheep: display features in the "-v" option.


Compare: https://github.com/sheepdog/sheepdog/compare/b24088d652f8...7bd15c5c7a0c