Merge pull request #37 from jarmokortetjarvi/startup

Startup
Merge pull request #38 from jarmokortetjarvi/startup

Fix typo
Rename bank
Merge pull request #39 from jarmokortetjarvi/startup

Startup
Merge pull request #40 from jarmokortetjarvi/bank

Rename bank-folder
Add bank as submodule
Merge pull request #41 from jarmokortetjarvi/bank

Add bank as submodule
Add bank as submodule
Merge pull request #42 from jarmokortetjarvi/bank

Add bank as submodule
Fix bank logo path
Merge pull request #43 from jarmokortetjarvi/bank

Fix bank logo path
Modify welcome message
Merge pull request #44 from jarmokortetjarvi/bank

Modify welcome message
Modify welcome message
Merge pull request #45 from jarmokortetjarvi/bank

Modify welcome message
Fix url so email can recognize it
Merge pull request #46 from jarmokortetjarvi/bank

Fix url so email can recognize it
Fix typo
Merge pull request #47 from jarmokortetjarvi/bank

Fix typo
Fix typo
Make account number optional