Releasing 0.7.0-p5

Releasing 0.7.0-p4

Update version

Merge pull request msgpack#152 from msgpack/nested-map

Fix a bug when creating nested maps and arrays

Fix msgpack#145: msgpack-{core,jackson}-0.7.0-M5 release. Fix sbt scr…

…ipts to allow multi-module project deployment

Fix multi bytes decoding error at boundary

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