Clears UI text fields on focus
Merge pull request #1 from epan/formatting

Formatting for currency and other tweaks
Clears inputs on focus
Adds to do list

keeping track of things I want to do
Adding task
Merge branch 'master' of https://github.com/epan/tipcalculator into formatting

Adding updated README.MD
Working with layout
Lightens labels on bill and tip per person