Merge pull request #9 from WOYM/master

Update
DeleteCommand erweitert #128
Merge pull request #132 from JurSch/deleteCommand

DeleteCommand erweitert #128
Merge pull request #133 from alueck/master

Statusnachrichten für leere Undo/Redo-Liste.
Merge pull request #10 from WOYM/master

Update
Merge for #135
Merge pull request #11 from WOYM/master

Merge for #135
#114 | Commandsteuerung in der GUI verfügbar und getestet.
Merge pull request #138 from tihansen/master

#114
0.0.7

Mit Implementierung des CommandHandlers wird die Programmversion auf die 0.0.7 angehoben.
Merge pull request #12 from WOYM/master

Update
#139 | Added DeleteCommands, also fixed Growl to not hide the undo-redo-buttons
Merge pull request #140 from tihansen/master

#139 | Commands nachgepflegt, außerdem Growl-Design gefixed
review passed
Merge pull request #8 from WOYM/master

merge