Fix HGLOBAL leak in plClipboard
Fix leak in GetLinkToMyNeighborhood

pyAgeLinkStruct copies the plAgeLinkStruct, so we can create our initial
ALS on the stack and avoid crazy memory logic.
Fix potential leak in OfferLinkToPlayer
Fix leak in GetLinkToCity
Merge pull request #388 from Hoikas/leaks

Fix some leaks revealed by Coverity