Adding FieldType
Revert "separate shared utilities to GenUtil."

This reverts commit 61a714c0db3349230e43ad78ac9d89a862a73df8.
Merge branch 'master' of github.com:simoncomputing/batgen

Conflicts:
	src/main/java/simoncomputing/lib/codegen/FieldType.java
	src/main/java/simoncomputing/lib/codegen/generators/Generator.java
	src/main/java/simoncomputing/lib/codegen/generators/SessionFactoryGenerator.java
	src/main/java/simoncomputing/lib/codegen/generators/TestBoGenerator.java