Merge branch 'hotfix/readme' into develop
Merge branch 'hotfix/installation' into develop
#2 create preferences window for path to blockdiag and the other which for execute command
#2 save to NSUserDefaultsController correctly
Merge branch 'feature/#2' into develop
#2 add rackdiag support
#2 change README.md about rackdiag
Merge branch 'feature/#5' into develop
#6 version number to 1.1.0
#6 adjust preferences window size
#6 change preferences window modeless to modal
Merge branch 'release/1.1.0'