Merge pull request #9 from rejasupotaro/master

Implement Puree.flush
Bump version to v0.0.8
Update README.md
Delete LogSpec
Delete test flag
Update build tools
Call flush on application created
Delete EmitCallback
Update README.md
Delete unused image
Bump version to v1.0.0
Scale down images
Update images
Rename `serializedLog` -> `jsonLog`
Update configuration
Merge pull request #10 from rejasupotaro/rename_serialized_log

Rename `serializedLog` -> `jsonLog`
Update README.md