1)Merged the update charts functionality in initscatterchart functio...

...n

    2)Implemented the dynamic axis params,while initializing the charts we need the pass the parameters that required to display in and X and Y axis eg:

    xAxisParams:[{lbl:'CPU (%)',key:'cpu',type:'float'},{lbl:'Instances',key:'instCnt'}]}};
    Parameters are
    "lbl" -  value displayed in the drop down
    "key" -  key is used the look in the chart data
    "type" - type of the value,if it is not present it will considered as the Integer

Change-Id: Ie6d9169555df97ce816f30875aa56c3122d1f857