Removed Gorm, replaced it with Sqlx
* Added SQL bundling command to Makfile
* Using go-kit logger
* Added soft delete capability
* Changed SearchLabel to accept a variadic param for optional omit list
instead of array
* Gorm removed
* Refactor table structures to use CURRENT_TIMESTAMP mysql function
* Moved Inmem datastore into it's own package
* Updated README
* Implemented code review suggestions from @zwass
* Removed reference to Gorm from glide.yaml
This PR reorganizes a bunch of the files in datastore such that all datastore implementations are consistently broken up into multiple files. Additionally, the datastore tests follow a similar pattern and can easily be applied to any complete datastore implementation.
