added CallWikipedia, Location, SHXMLParser, and WikiEntry classes
replace CallWikipedia files with code that works - instructions in header file header comments
Committing changes to merge from master.
Merge branch 'master' into JM-TableViewController
Merge branch 'master' into JM-TableViewController
Committing change with working WebView.  Back button failing and there’s an extra “Wikipedia” button in the web view.
Undid the storyboard id for the WebViewController.
Committing code for further testing.
Fixed issue with the back button on the WebViewController
Merge pull request #12 from phreenet/JM-TableViewController

Jm table view controller