Updated distortion shaders (Not in the UI)
Major update

-RenderWidget now supports setting a texture for the source image
-Main UI has been rearranged to make more sense
-Distortion Shader menu now enumerates shaders from directory
-Source Shader menu now enumerates shaders from directory
-Textures can be set from menu, menu is enumerated from directory
-Significant updates to shaders
--Added texture and grid source shaders
--Renamed some of the variables
--More is going to happen soon while I finalize variable names/etc
Updates

-Make Texture shader default for source image
-Add file system watchers so menus refresh when new files are added