Enhance wls_datasource type to enable gridlink

Added FAN Enabled parameter and ONS Nodes parameter to wls_datasource
type.
Revert "Enhance wls_datasource type to enable gridlink"

This reverts commit 66e5a3cc4861402bf69a9f91b53e2345a157df6b.
wls_datasource enhancement, fix

Added FAN Enabled and ONS Node List parameters to wls_datasource to
allow for Gridlink datasources to be configured.

Fixed a bug where an extraproperties key/value was not removed from
Weblogic by modify action.
Merge branch 'master' of https://github.com/bradmcnaughton/biemond-orawls into datasource_ons

# By bradmcnaughton
# Via bradmcnaughton
* 'master' of https://github.com/bradmcnaughton/biemond-orawls:
  wls_datasource enhancement, fix
  Revert "Enhance wls_datasource type to enable gridlink"
  Enhance wls_datasource type to enable gridlink

Conflicts:
	lib/puppet/type/wls_datasource.rb
readme update