Destroy context when unloading plugins.

--HG--
branch : gsoc2014-dfighter

code/studio/src/plugins/bnp_manager/bnp_manager_plugin.cpp

@@ -44,6 +44,9 @@ namespace BNPManager
 		}
 		qDeleteAll(m_autoReleaseObjects);
 		m_autoReleaseObjects.clear();
+
+		delete m_libContext;
+		m_libContext = NULL;
 	}
 
 bool BNPManagerPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/disp_sheet_id/disp_sheet_id_plugin.cpp

@@ -44,6 +44,9 @@ DispSheetIdPlugin::~DispSheetIdPlugin()
 	QAction *a = menuManager->action( "SheetIdView" );
 	menuManager->unregisterAction( "SheetIdView" );
 	delete a;
+
+	delete m_LibContext;
+	m_LibContext = NULL;
 }
 
 bool DispSheetIdPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/georges_editor/georges_editor_plugin.cpp

@@ -39,6 +39,9 @@ GeorgesEditorPlugin::~GeorgesEditorPlugin()
 	}
 	qDeleteAll(m_autoReleaseObjects);
 	m_autoReleaseObjects.clear();
+
+	delete m_libContext;
+	m_libContext = NULL;
 }
 
 bool GeorgesEditorPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/gui_editor/gui_editor_plugin.cpp

@@ -37,6 +37,9 @@ namespace GUIEditor
 		
 		qDeleteAll(m_autoReleaseObjects);
 		m_autoReleaseObjects.clear();
+
+		delete m_libContext;
+		m_libContext = NULL;
 	}
 	
 	bool GUIEditorPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/landscape_editor/landscape_editor_plugin.cpp

@@ -39,6 +39,9 @@ LandscapeEditorPlugin::~LandscapeEditorPlugin()
 	}
 	qDeleteAll(m_autoReleaseObjects);
 	m_autoReleaseObjects.clear();
+
+	delete m_libContext;
+	m_libContext = NULL;
 }
 
 bool LandscapeEditorPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/log/log_plugin.cpp

@@ -62,6 +62,9 @@ namespace Plugin
 		NLMISC::AssertLog->removeDisplayer(m_displayer);
 		NLMISC::InfoLog->removeDisplayer(m_displayer);
 		delete m_displayer;
+
+		delete m_libContext;
+		m_libContext = NULL;
 	}
 
 	bool CLogPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/mission_compiler/mission_compiler_plugin.cpp

@@ -30,6 +30,9 @@ MissionCompilerPlugin::~MissionCompilerPlugin()
 	}
 	qDeleteAll(m_autoReleaseObjects);
 	m_autoReleaseObjects.clear();
+
+	delete m_LibContext;
+	m_LibContext = NULL;
 }
 
 bool MissionCompilerPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/object_viewer/object_viewer_plugin.cpp

@@ -23,6 +23,9 @@ ObjectViewerPlugin::~ObjectViewerPlugin()
 	qDeleteAll(_autoReleaseObjects);
 	_autoReleaseObjects.clear();
 	Modules::release();
+
+	delete _LibContext;
+	_LibContext = NULL;
 }
 
 bool ObjectViewerPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.cpp

@@ -45,6 +45,9 @@ SheetBuilderPlugin::~SheetBuilderPlugin()
 	QAction *a = menuManager->action( "SheetBuilder" );
 	menuManager->unregisterAction( "SheetBuilder" );
 	delete a;
+
+	delete m_LibContext;
+	m_LibContext = NULL;
 }
 
 bool SheetBuilderPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/tile_editor/tile_editor_plugin.cpp

@@ -42,6 +42,9 @@ TileEditorPlugin::~TileEditorPlugin()
 	}
 	qDeleteAll(m_autoReleaseObjects);
 	m_autoReleaseObjects.clear();
+
+	delete m_LibContext;
+	m_LibContext = NULL;
 }
 
 bool TileEditorPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/translation_manager/translation_manager_plugin.cpp

@@ -48,6 +48,9 @@ TranslationManagerPlugin::~TranslationManagerPlugin()
 	}
 	qDeleteAll(_autoReleaseObjects);
 	_autoReleaseObjects.clear();
+
+	delete _LibContext;
+	_LibContext = NULL;
 }
 
 bool TranslationManagerPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)

code/studio/src/plugins/world_editor/world_editor_plugin.cpp

@@ -43,6 +43,9 @@ WorldEditorPlugin::~WorldEditorPlugin()
 	}
 	qDeleteAll(m_autoReleaseObjects);
 	m_autoReleaseObjects.clear();
+
+	delete m_libContext;
+	m_libContext = NULL;
 }
 
 bool WorldEditorPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)