Create message view for getters and setters

[Matthias Schoettle]

When creating a getter/setter, the corresponding message view should be created. This then allows to advice it or to add additional behaviour (for example, making sure there is enough balance when withdrawing money).

[Romain Alexandre]

References #367: Create message view for getter

→ <<cset adf72a6ddcb4>>

[Romain Alexandre]

References #367: Create message view for setter + Create Getter and setter in one Command

→ <<cset 414d6e8fb492>>

[Romain Alexandre]

References #367: Move createMessageView() in RamModelUtil

→ <<cset bde3f78fd4f3>>

[Matthias Schoettle]

Merged in Issues/367-Create-message-view-getter-setter (pull request #58)