20130615_COMMIT(For store details)

1. Add to determine iOS7 in Common.h.
2. Handle SQLITE_NULL case when parsing SQL returned data.
3. Enable to retrieve store details from annotations of map view.
4. Set tint color of navigation bar for back buttons.
5. Implement UITableViewDelegate and UITableViewDataSource in
StoreViewController for table view usage.
6. For store details, construct data source.
7. For store details, create labels for name and year.
8. For store details, create table view and cell for other information.