Fix the compile error on mac for memcheck mode
ENG-6874 implement ByteBufferOutputStream
ENG-6874 fixed license check failures
ENG-6874 http export client emits avro encoded content
ENG-5540: add days option to collect command.
ENG-5540 removed print statements
Merge branch 'master' of github.com:VoltDB/voltdb into fix-mac-memcheck-build-problem
changes according to Paul's review
ENG-6874 simple ByteBuffer(Input|Output)Stream unit test
upgrade guava to v18
Merge pull request #1560 from VoltDB/fix-mac-memcheck-build-problem

Fix the compile error on mac for memcheck mode
Merge pull request #1662 from VoltDB/ENG-5540-real

ENG-5540: add days option to collect command.
ENG-6874 fix license check failure for TestByteBufferStreams
ENG-6874 ByteBufferOutputStreams uses directly allocated byte buffers
Merge pull request #1661 from VoltDB/ENG-6874

ENG-6874 http export client emits avro encoded content
Merge pull request #1667 from VoltDB/upgrade-guava-to-v18

Upgrade Guava to V18
ENG-6071: Taking review feedback.
Merge remote-tracking branch 'origin/master' into ENG-6071-changeempty