SES-2115 simple fix + test case (greenlines)
IN-2115 minor code simplification + comments to clarify
SES-2106 added test case for strange behavior in native store when
adding triples while querying. See code comments for further details.
Revert "SES-2106 added test case for strange behavior in native store when"

This reverts commit 94fbb991ef5c874018bfad64cd9832d02a8603d9.
Performance improvement: load String character data using readFully() rather than reading each character
Performance tweak: less internal buffer reallocation
Simplified buffer allocation code
Added big-ish random strings to test read/write performance
Improved performance of BinaryRDFWriter - by improving the writeString() method and adding a BufferedOutputStream into the mix.
Use BufferedInputStream for the parser.
Merged in SES-2115-native-query-lock (pull request #317)

SES-2115 simple fix + test case (greenlines)
Merged in antonmarsden/sesame/2.7.x (pull request #319)

RIO binary performance improvements
Remove Logger from RioConfig to check its effect on Jenkins test