configure option to format binary output
Enable a format options parameter, to output (binary) data in different formats
added json test via RestServiceFilesIT
Added IT test to evaluate string output
process updates after comments Nathan
fixed bug in ServerValueEncoder, undo auto-replacements of imports
merge SytzeH: Set the format of standard and json binary output

Merge pull request #1282 from SytzeH/sql-layer/hexOutput
https://github.com/FoundationDB/sql-layer/pull/1282