Added "General" option panel for AddInManager2 allowing to disable UpdateNotifier. Also updated resource strings from server.
Fixed compile error in AddInManager tests.
Added SymbolTypeAtCaretConditionEvaluator.
Added some code editor context menus dependent on symbol at caret (like "Rename", "Find references" etc.)
Separate AddInTree paths for context menus of different symbol types with inclusion of EntityContextMenu, where sensible.
Added "Goto Definition" command to symbol context menus.