Rename view->CubeViz_ModelInformation to view->cubeVizModelInformation; fix modelinformation

- if title is not set, use title helper to fetch it
Remove some console.logs in DataCube/Observation.ts and complete doc of initialize
Using own implementation of arrayaccess that allows you to return a particular value if some element is undefined the user wanna access.
Fix CubeVizModule/Component test (using text() instead of html()) and output current position