Android: Remove unused member variable in AndroidManifestTextEditorWidget

Change-Id: Ic4efa103dc0fda791311e649ca4baab065859ac0
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
TextEditor: Add a helper function to set up code assistance

This is needed for further refactoring in the cpp and qmljs editors.

Change-Id: Ic25525e5f468e915226e9daa8d118ff76a749e9f
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Add copyright comment

Change-Id: Ia16f38f4823a0d740391ef4450b858d10f3184e5
Reviewed-by: hjk <hjk121@nokiamail.com>
CppEditor: Partially move to new editor setup scheme

This needs more reorganization. For now, use a method to
add cpp editor support directly without relying on a fully
set up editor/widget/document combo.

Change-Id: Id8631c75ccd209f418faef31f8b8a4c71e53d87d
Reviewed-by: Christian Stenger <christian.stenger@digia.com>