Plug-in Bio Control API: Changes

The following header file(s) have changed between 3.1 and 3.2

**Table 1:** msgbiocontrol.h
Type	Class	Change
Removed deprecated constructor	`CMsgBioControl`	`IMPORT_C CMsgBioControl( MMsgBioControlObserver& aObserver, CMsvSession* aSession, TMsvId aId, TMsgBioMode aEditorOrViewerMode, const TFileName& aFileName);`
Removed deprecated constructor	`CMsgBioControl`	`IMPORT_C CMsgBioControl( MMsgBioControlObserver& aObserver, CMsvSession* aSession, TMsvId aId, TMsgBioMode aEditorOrViewerMode, const TFileName& aFileName, const RFile& aFile);`
Removed public method	`CMsgBioControl`	`IMPORT_C TBool GetBioControlHelpContext(TCoeHelpContext& aContext) const;`
New public method	`CMsgBioControl`	`IMPORT_C TInt ScrollL( TInt aPixelsToScroll, TMsgScrollDirection aDirection );`
New public method	`CMsgBioControl`	`IMPORT_C void NotifyViewEvent( TMsgViewEvent aEvent, TInt aParam );`

**Table 2:** crichbio.h
Type	Class	Change
New public method	`CMsgBioControl`	`IMPORT_C TInt ScrollL( TInt aPixelsToScroll, TMsgScrollDirection aDirection );`
New public method	`CMsgBioControl`	`IMPORT_C void NotifyViewEvent( TMsgViewEvent aEvent, TInt aParam );`

**Table 3:** mmsgbiocontrolextension.h
Type	Class	Change
New public enum		`TMsgBioControlExtensions`
New class	`MMsgBioControlExtension`
New class	`MMsgBioControlScrollExtension`