watch markerModels and only draw windows when they are ready
seeing if setting an emtpy array of markers is causing the out of sync example
ignore unnecessary watch calls
remove markeModels delete
removing firstTime check on watching internal models in windowsParentModel
testing
callback to MarkerParentModel scope for onMarkerModelsReady and isMarkerModelsReady for initial run through. (initial run through = when markers are loaded way before the windows directive is finished loading)
Merge branch 'hotfix/issue_195_2'
issue #195 again
version bump with hotfixed merged