Added sceNpTrophyTerm and proofed some unloadings

Made cellNetCtl, cellGem, cellCamera, sceNp, sceNpCommerce2 and
sceNpTrophy properly unload if termination function wasn't called.
Merge pull request #819 from tambry/ProofedUnloadingOfSomeModules

Added sceNpTrophyTerm and proofed some unloadings