Update chief operation specs

This contains 3 enhancements and fixes and is related to the following story: https://www.pivotaltracker.com/story/show/54514322

* Additional lower level specs for ChiefTransformer operations
* Spec fixes that enable us to use MySQL in STRICT_TRANS_TABLES mode (which raises exceptions if value of wrong type or which is too big is used)
* Fixes and additional specs for TaricImporter