Measures to stabilize Surveyservice

Transformed apparent non-entity-connected object-relational dependencies
into looser coupled ID-keyed relations to ensure referential integrity
Added null pointer checks
Removal of null elements out of survey tool collection
Fixed an error in the setgodmode command
Junk Dealer Conversation menu added
Conversation menu improvements

SUI window functionality
storage of items in collections
Menu functionality improved

Lootkit implemented
Loot price and further stats considered
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'origin/master' into JunkDealer
options.cfg set to default values
Merge pull request #475 from CharonInferar/JunkDealer

Junk dealer added