Set up a separate gradle build script to test websockets
Added Gson
Implemented WS msg serialise/deserialise. Respond to ping with pong.
Retrieve a single object by id
New two-page UI + working scan button
Go to the results activity after scanning
Merge branch 'ui2' into websockets

Finished renaming the packages. Integrated WSClient (untested)

Conflicts:
	src/main/java/eclair/amuseum/Item.java
Websocket client now able to retrieve name/image of items.
Merge pull request #1 from EclairBristol/websockets

Websockets integration