Bugfix for DataBuffer.
Merge branch 'next' of github.com:maidsafe/MaidSafe-Common into next
Merge branch 'next' of github.com:maidsafe/MaidSafe-Common into next
Merge branch 'next' of github.com:maidsafe/MaidSafe-Common into next
Fixed significant bug in log.h whereby log messages were not compiled away in Release builds.