Make identify plugin show info for all layers

fixes #190 on github

The IdentifyTask uses IdentifyParameters which defaults layerOption to LAYER_OPTION_TOP, identifying ONLY the top layer. This setting changes it to the desired behavior, identifying all visible layers.
Merge pull request #204 from steventlamb/bug/identify_multiple_layers

Make identify plugin show info for all layers
Allow calls to internal Print Task server
Merge branch 'master' of github.com:CoastalResilienceNetwork/GeositeFramework