Request 123843: Submit yast2-installation

- require yast2-proxy for 2nd stage (bnc#764951)
- show a message if network config has failed (bnc#765129)
- 2.22.7

- enhanced image installation help text (bnc#732914)

- require yast2-proxy for 2nd stage (bnc#764951)
- show a message if network config has failed (bnc#765129)
- 2.22.7

- enhanced image installation help text (bnc#732914)

the package is still building for repository openSUSE_Factory

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checkin

{"approve": "preliminary, version number changed"}

Builds for repo openSUSE_Factory

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