Daily Report GUI

Created a basic GUI for daily reports
Updated cmusic store to include more transactions.

Group by removed duplicates so that needs a fix.
Added more items to sql.  Finished Daily Report.
Merge pull request #8 from ellina-s/arjan

Updated cmusic store to include more transactions.
Removed redundant method.
Merge pull request #9 from ellina-s/arjan

Finished the daily sale report completely.
Finished top selling items query
Merge pull request #10 from ellina-s/arjan

Finished top selling items query
Finished the addItem for Manager Transaction

In the project description it says it adds existing items so I assumed
the quantity is the number you want to add to the current stock.
Merge pull request #11 from ellina-s/arjan

Finished the addItem for Manager Transaction
Customer Registration

Finished window for customer registration
Merge pull request #12 from ellina-s/clark

Customer Registration
Sales Report Transaction

Finished the GUI for generating daily sales reports
Merge pull request #13 from ellina-s/clark

Sales Report Transaction
Merge branch 'master' of https://github.com/ellina-s/cs304 into ellina
Implemented Item Search based on category and title