first commit

Signed-off-by: Alexander Skjolden <alex@plastboks.net>
first working condition

Signed-off-by: Alexander Skjolden <alex@plastboks.net>
Merge branch 'master' of github.com:plastboks/Swing-RPN-Calculator
Updated README.md

Signed-off-by: Alexander Skjolden <alex@plastboks.net>