Added app icon.
Changed application package name.
Added Email and Message function to send split bill in bill result view.
Created template engine.
Added templates for email and message.
Increase font size in sign in view.
Fixed bill result page content and layout.
Added label to show total bill amount when while splitting.
Changed color for description labels.
Fixed typo.
Fixed amount calculated for splitting in emails and messages.
Added documentations.
Updated bill result page to show check amount without tax.
Added function to add csrf from cookies to post body.
Fixed potential crashing for immutable dictionary in connection.
Save and load connection cookies on application showed and hidden.
Merge remote-tracking branch 'origin/master' into yesi