properly.
Also, takes care of setting options to empty array, when it couldn't
fetch the options for the NodeAjaxOptionsControl.
And, generating proper url for 'msql' url in the SQL tab, when creating
new node from the same type of node.
* Start tracking changes immediatedly depends on the handler.
* Attaching control with the filter in the NodeListByNameControl.
* Generating proper data for the NodeListByNameControl.
Some data will be applicable to parent level, even though - it has
been fetched it from a particular node.
i.e.
roles will be applicable to server level (not particular role level).
of (label, value) tuple in the SelectControl.
We will apply the transform function, while rendering the control, and
not during intialization. This will allow us to generate different
options data based on the dependent values.
Ashesh Vashi
Surinder Kumar
Murtuza Zabuawala