Refactor preparing for SE-186, this also resolves SE-133 mostly
Method rename, removing deprecated references
Missed spring dependency
Updating version for development release
Adding todo
Adding routes for queueing cross lookups, SE-186
New cross ref API partially implemented
FEND-847 added science seeker
Moving variabls to constants and a minor name update
Half way through refactoring code to use new crossref service
Adding new route to spring config
Changing URL to new location
FEND-847 added science seeker tile
Implementation to use new cross ref service SE-186
Finishing unit test for route SE-186
Adding a null check SE-186
Code cleanup SE-186
Setting queue job to be asychronous SE-186
Adding a comment for using activemq
Making the code a little more robust against empty values