Merge pull request #129 from Panzer333/dev

Calculator UI restyling
Updated calculator UI
Cleanup
Calculator does not allow to enter 0 at the start of part
Formatted operators
Cleaning up decimals
Fixed calculator. Started working on delete fragment
Updated styles, mostly in currencies
Create README.md
Merge remote-tracking branch 'origin/dev' into dev
DeleteFragment WIP
Tried Activity transitions but didn't work so well out of the box
Delete is working. Woohoo
Added license
Update README.md
Update and rename LICENSE.md to LICENSE
Update README.md