add MVC packages and create class Word
add getDecimal() to Word
add Word creation with null
create Memory
Merge branch 'develop' of https://github.com/avanthay/zhaw_mppc into develop
Merge branch 'develop' of https://github.com/avanthay/zhaw_mppc into develop
add junit to pom.xml
add equals & hashcode to Word & Register
Merge branch 'develop' of https://github.com/avanthay/zhaw_mppc into develop

manual merge
write Command Class
rename Commands in Command.java
work on gui and commands
delete Register & commandcontroller
update memorypanel
refactor MVC & rename Panels/Views
add constant Strings in abstract Class Register
set programmPanels to view
manual merge
finished Memory in GUI
finished GUI