Adding food group domain and dao to service with relationship to food domain.

Updating maven pom to allow for builds and generating fat jars for deployment. Updating mysql dependency to use Maven repo.

Fixing issue with groovy jar being used and asm library. Now I don't have to blow away the local maven asm folder each time there is a clean or build.

Starting to add migration for nutrient data
Merge pull request #1 from aarontimbo/develop

Adding migrations and maven package configuration