Created MSONSectionProcessor to be used by all MSON Section Parsers
Added definition of SignatureTraits
Added Signature data structure to store signature data after parsing
Added test framework for signature parsing
Finished signature parsing using traits tests
Finished parsing identifier in signature
Finished parsing values section in signatrue
Some improvements to the identifier parsing
Finished parsing attributes in signature
Moved code to proper places
Resolve review fixes
Be consistent in dealing with chars before/after escaped strings
Finished stripping identifier/value's enclosing backticks
Fix test where there is only content
Resolve minor review fixes
Merge pull request #238 from apiaryio/pksunkara/mson

MSON Signature parsing foundation