Updated style name to more generic terms.
added layout/container for graph view.
Added async task to parse csv data and covert to graph viewable data array
Addead window feature - loading progress. Added api in fragment to show/hide it.
Sample graph view fragment from the GraphView project.
Added base graph fragment with generic hooks. Also added example implementation of graph view  - which is DOWNLOAD VS UPLOAD - need to update it later to show download + upload VS date.