Merge pull request #41 from vcnickerson/Ian/active

Incremental update to Shipyard Screen Controller. Combined ship/utility ...
Added methods to get arrays of ship utilities
Merge pull request #42 from vcnickerson/Connor3

Added methods to get arrays of ship utilities
NullPlanet fulfills Null Object design pattern
Removed commented out code
Merge pull request #43 from vcnickerson/VN/DesignPattern

NullPlanet fulfills Null Object design pattern
Added gadgets, adjusted travel, added descriptions
Merge branch 'Connor3'
Merge stuff?

Hopefully this works?
Forgot to commit
FOrgot to merge
Working purchases of weapons
Merge pull request #45 from vcnickerson/mattj/dev

Working purchases of weapons
Minor fixes implemented before demo.