Merge branch 'release/0.4.7' into develop
Update README.md
Add descriptions to the utility scripts
Added developer read me on how to get unit test to work and the release process for wtframework.
update dev read me
minor edit in terminology
Update DEVELOPER_README.md
use constants instead of hard coded string.
remove distribution binary from repo
Fix email searching

remove unused file
bump version number
fix bump version script
Merge branch 'release/0.4.8'