`utils` and `utils.create_from_yaml` improvements#783

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oz123 wants to merge 3 commits intokubernetes-client:masterfrom

Commits on Mar 18, 2019

Add initial work on `utils` improvements
Oz Tiram
committed
Make all e2e_test use create_from_file
Oz Tiram
committed

Commits on Mar 20, 2019

Change create_from_yaml to accept string or file

Oz Tiram
authored and
oz123
committed