Revert "Selective boot wait- only block & wait for brokers."

This reverts commit e5d9ea542447cb98c406b19a1e03be0ce5881ad7.
Merge branch 'doc-n-wrapper' of https://github.com/nuodb/dbaas into doc-n-wrapper
Revert "Selective boot wait. Only wait for brokers."

This reverts commit 1b8e4f4f565ffcb1341551290b37893ee6803f56.