types: ensure empty CNIVersion always creates/converts to 0.1.0

Signed-off-by: Dan Williams <[email protected]>

Merge pull request containernetworking#845 from jayunit100/patch-1

Add breadcrumbs to the api.go

Merge pull request containernetworking#838 from squeed/no-args-env

Spec: Bring 1.0's treatment of "args" in line with 0.4.0

Merge pull request containernetworking#811 from squeed/plugin-name-0.8

tighten up plugin-finding logic

Merge pull request containernetworking#663 from mars1024/modify/cniar…

…gs_for_delegate

delegate : allow delegation funcs override CNI_COMMAND env automatically in heritance

CNI version v0.7.0

Spec version 0.4.0

Merge pull request containernetworking#597 from dcbw/conventions-ip-p…

…refix

CONVENTIONS: add support for IP prefixes

Merge pull request containernetworking#626 from opensvc/arnaudveron-o…

…pensvc-addon

Add OpenSVC to the list of container runtimes