Refactor AbstractFunctionFormulaManager:
do all the handling of UninterpretedFunctionDeclaration
in the abstract super class and pass only the solver-specific objects
to the sub classes.

git-svn-id: https://svn.sosy-lab.org/software/cpachecker/trunk@14684 4712c6d2-40bb-43ae-aa4b-fec3f1bdfe4c