UI Configuration - Exporter Descriptor : Provide link to extended field descriptions and examples for Exporter URI and Exporter Property

[vrindanayak]

Related dcm4che/dcm4che#1296

• Add docs for Exporter Properties and Modality codes / Body Part codes

• Rename URI to Exporter URI and Property to Exporter Property

• Change

  Field	Prev desc	New desc
  Exporter URI	RFC2079: Uniform Resource Identifier.	RFC2079: Uniform Resource Identifier. Refer various Exporter URI that can be configured based on the exporter type.
  Exporter Property	Property in format <name>=<value>	Specify exporter properties in format {name}={value}. Refer various Exporter Properties that can be configured based on the exporter type.

<name>=<value> in existing description results currently in incomplete description when seen on UI Configuration page

[vrindanayak]