added yaml test
deleted code that can't actually be reached
fixed nullpointerexception in deepCopy
tentative test, still needs more probably
small cleanups
updated test a little
just boring formatting changes
formatting.
merge hchandl: Fix deepCopy with null join conditions

Merge pull request #1489 from hchandl/sql-layer/nullPointerException
https://github.com/FoundationDB/sql-layer/pull/1489