Fix script compile failure
Add Cadencii/script/PluginLoader
Merge branch 'fix/script_namespace_problem' into develop
Modify VstSdk.cs and vstidrv.cs, fix calling convention mismatch
Add context menu [Renderer]-[AquesTone2]
Add Cadencii/FormMain.Designer.cs
Add menu [View]-[VSTi Plugin UI]-[AquesTone2]
Rename Cadencii/FormMain.* -> Cadencii/ui/main/FormMain.*
Modify Cadencii.csproj; change target framework into .NET 4.0
Add Cadencii/ui/menu/RendererMenuHandler.cs
Modify cadencii/ui/main/FormMain.cs, add 'renderer_menu_handler_' field
Update Cadencii.csproj
Merge branch 'develop' into feature_aques_tone_2

Conflicts:
	CadenciiTest/CadenciiTest.csproj
Modify Cadencii/ui/main/RendererMenuHandler.cs, fix runtime crash