#242 - Merge branch 'master' into GH242-preferences-editor
#242 - preferences editor - partial commit

Conflicts:
	org.flowerplatform.core/src/org/flowerplatform/core/CorePlugin.java
	org.flowerplatform.flex_client.properties/src/org/flowerplatform/flex_client/properties/CreateNodeView.mxml
	org.flowerplatform.flex_client.properties/src/org/flowerplatform/flex_client/properties/PropertiesView.mxml
	org.flowerplatform.freeplane/src/org/flowerplatform/freeplane/FreeplanePlugin.java
#242 - remove IActionProvider from IViewContent

Conflicts:
	org.flowerplatform.flex_client.core/src/org/flowerplatform/flex_client/core/node_tree/NodeTree.mxml
	org.flowerplatform.freeplane/src/org/flowerplatform/freeplane/FreeplanePlugin.java
#242 - keep same listener when dock/undock properties view

Conflicts:
	org.flowerplatform.flex_client.core/src/org/flowerplatform/flex_client/core/editor/EditorFrontend.as
#242 - remove IActionProvider from IViewContent

Conflicts:
	org.flowerplatform.flex_client.core/src/org/flowerplatform/flex_client/core/node_tree/NodeTree.mxml
	org.flowerplatform.freeplane/src/org/flowerplatform/freeplane/FreeplanePlugin.java
#242 - keep same listener when dock/undock properties view

Conflicts:
	org.flowerplatform.flex_client.core/src/org/flowerplatform/flex_client/core/editor/EditorFrontend.as
#242 - partial commit - preferences view

Conflicts:
	org.flowerplatform.core/src/org/flowerplatform/core/CorePlugin.java
	org.flowerplatform.flex_client.core/.flexLibProperties
	org.flowerplatform.flex_client.core/src/org/flowerplatform/flex_client/core/CorePlugin.as
#242 - Preferences Editor (ui implemenetation)
Merge pull request #335 from flower-platform/GH242-preferences-editor

#242 preferences editor