Switch to using a slightly modify source version of JSONSimple
Lookup Service: Remove duplicate call to message

This is likely to be related to #16
Makefile: check java version in $JAVAC

Related to comments on #10
LookupWorker: Move initialising document parsers to a static block
LookupWorker: Formatting niceities
ContextService: Formatting fixes
DiceService: Formatting fixes
GoHomeService: Formatting fixes
HelpService: Formatting fixes
HelpingService: Formatting fixes
HushService: Formatting fixes
KittenService: Formatting fixes
LinkResolver: Formatting fixes
LinkService: Formatting fixes
LogService: Formatting fixes
LookupService: Formatting fixes