* addtion of new annotations to subcribe and listen from within epl
files
* example of new subribeportfolio event with example in
basicportfolioservice.epl
Revert "* addtion of new annotations to subcribe and listen from within epl files * example of new subribeportfolio event with example in basicportfolioservice.epl"

This reverts commit e2ffa32d87cafd6a7766f61bb5b5edc846c8514a.
* addtion of new annotations to subcribe and listen from within epl
files
* example of new subribeportfolio event with example in
basicportfolioservice.epl
* Implied prices are created dynamically in the ListingsMatrix
* Get precsiona and scale methods to ammount and listing
* Tidy up of console service to create transaction to generate a
balances
* Tidy up of Portfolio to no longer have balances