Initial Development for Expense Trends
DUS - Visualize Payment Methods

Chart to display the payment method for the filtered expenses
DUS - Visualize Spending By Month

A chart displaying the expenses on a monthly basis with data from
filtered expenses
DUS - Visualize Spending By Location

Created two charts to visualize the expenses by location/branch and
location. If there is many locations we'll need to change the way to
present the information
Conflicts resolved
Merge pull request #69 from Lastiritas/ExpenseTrends

BUS - Visualization of Data