Added TermsID field to Loan and ImmutableOffer
Updated source directory in pom.xml
Added Offer value lookup in OfferManager. Removed same functionality
from acceptOffer in LoanBorrowerHandler.
Removed loan creation functions from LoanBorrowerHandler
acceptOffer(...) to LoanManager.
Removed SQL handling from LoanBorrowerHandler ignoreOffers(...) to
PlayerManager toggleIgnore(...);
Removed SQL code from rejectOffer(...) to OfferManager removeOffer(...).
Removed unused imports.
Low hanging fruit fixes. Static references.
Refactored several names in PlayerManager and reordered to reflect
alphabetization.