fixing the nuget tags
Add 0.8.6 release notes.
Updated parameter documentation for /versionfile.
Updated WarnOnOneTimeScriptChange command line help.
Merge remote-tracking branch 'mpareja/v0.8.6'
fix null ref error due to server_connection being null when needing to use admin_connection
Merge pull request #137 from hulahomer/master

Fix null ref error for MySql server_connection
Fixed typo in Readme.
Merge pull request #147 from mikecole/patch-1

Fixed typo in Readme.