Default Accounts and Monthly Summaries

This release added the notion of a default account to make adding transactions easier. The goals page has been renamed and now shows all of the months where transactions have been added to the current date.

• Added ability to set a default account
• Updated icons in navigation
• Improved add transaction journey to check for accounts and categories
• Renamed "Goals / Budgets" to "Monthly Summary"
• Show all months from first transaction to current date when displaying the pie charts and summary table
• Added "no transactions" message for empty pie charts
• Added an "All" tab to the monthly summary page
• Added summary table to monthly summary page
• Disabled rotation on main pages to prevent crashing
• General UI improvements