[ADF-1041] Node picker, first iteration (#2122)

* First try

* Dialog basic functionality

* Search input

* Hammering it together

* Fist working proto for copy

* Fix the tests and tslint errors for a happier world

* Add more tests (and test shells for the future)

* copyNode and moveNode methods

* Copy and move actions for content type

* Extract common parts in favor of using them in folder content type also

* Small fixes

* Copy and Move actions for folders as well

* Style fixes, ui behaviours and tests needed to be written

* Move duplicated search service from documentlist to core

* Use search service from core within the search component

* Fix dialog width

* Update docs

* Tests for node selector

* Change seletionMade event's name to select

demo-shell-ng2/resources/i18n/en.json

@@ -10,15 +10,15 @@
         },
         "ACTIONS": {
             "FOLDER": {
-                "SYSTEM_1": "System folder action 1",
-                "CUSTOM": "Custom folder action",
+                "COPY": "Copy",
+                "MOVE": "Move",
                 "DELETE": "Delete"
             },
             "DOCUMENT": {
                 "DOWNLOAD": "Download",
-                "DELETE": "Delete",
-                "SYSTEM_2": "System document action 2",
-                "CUSTOM": "Custom action"
+                "COPY": "Copy",
+                "MOVE": "Move",
+                "DELETE": "Delete"
             }
         }
     },