fixes #2178 ensure we only default broadcast values if undefined, and not 0, false or empty string
Channel menus open when you click the channel dots
Renamed button broadcast editable
Controlling all visibility via .hidden class instead of style property.
fix channel fix broadcast defaults too
Merge branch 't2178' of github.com:ScottDowne/appmaker into develop
Merge pull request #2179 from ScottDowne/t2178

fixes #2178 ensure we only default broadcast values if undefined, and no...
Merge branch 'develop' of github.com:mozilla-appmaker/appmaker into develop
Merge pull request #2182 from flukeout/lineclick

Channel menus open when you click the channel dots, fixes #1960
Merge pull request #2184 from flukeout/buttonvalue

Renamed button broadcast editable, fixes #2175
Merge branch 'develop' of github.com:mozilla-appmaker/appmaker into develop