Remove V1 code and V2-specific stepdefs

Trello: https://trello.com/c/pwPlA2xX (origin_runtime_141)
Bug 976112

In setup_rewritten, we need to process all file types.
Process dot files, too.
Generalize the file filtering somewhat
Test recursive case, too.
Clean up the assertion
fix bz977519 - for cases where v2 parsing succeeds but broker manifest parsing fails
some strictures on broker's manifest parsing
Merge pull request #2932 from pmorie/dev/v1_delete

Merged by openshift-bot
Merge pull request #2928 from BanzaiMan/dev/hasari/bz971622

Merged by openshift-bot
Merge pull request #2938 from rajatchopra/master

Merged by openshift-bot