cli: `tracker info` should show all information about a file
Now that tracker3 info is wise to Nepomuk, we could improve it to show the corresponding InformationElement resource when passed a URI. It's counterintuitive that currently tracker3 info file:///home/sam/My song.mp3 doesnt show any of the ID3 tags info, for example.
Follow up from !249 (merged)
Edited by Sam Thursfield