Converted a more StoreEntry functions to class methods:

Converted a more StoreEntry functions to class methods:

destroy_MemObject       -> destroyMemObject
storeSetMemStatus       -> setMemStatus
storeHashInsert         -> hashInsert
storeHashDelete         -> hashDelete
storeCheckTooSmall      -> checkTooSmall
storeCheckCachable      -> checkCachable
storeEntryLocked        -> locked
storeKeepInMemory       -> keepInMemory
storeCheckNegativeHit   -> checkNegativeHit
storeEntryValidToSend   -> validToSend
storeTimestampsSet      -> timestampsSet
storeRegisterAbort      -> registerAbort
storeUnregisterAbort    -> unregisterAbort
storeEntryDump          -> dump
storeSetMemStatus       -> setMemStatus
storeUrl                -> url
storeCreateMemObject    -> createMemObject
storeEntryReset         -> reset

storeAppend             -> deprecated
storeBuffer             -> deprecated
storeBufferFlush        -> deprecated