Added various assets and UIImage category

Added champion, item, profile, and summoner spell icons to the Images
folder. Also added a UIImage category to allow scaling of images to a
specific size.
Match history work in progress
Work in progress
Table view cells no longer are obscured

Tab bar and status bar no longer obscure table view content. The fix was
made by replacing the UITableViewController with a UITableView embedded
in a view controlled by a UIViewController.
Playing around with DB & RiotDataManager

Most likely going to switch to Core Data later
Merge branch 'dennis' into chris

Conflicts:
	LemonNotes.xcodeproj/project.pbxproj
Merge fix

Manual merge of 'dennis' branch into 'chris'.
Moving assets around