2.5.0

• add pd-lua library
• fix up dialog styling for GUI presets
• expand help browser search index to include the external library docs
• add preferences for setting when and from which docs the search browser creates an index
• port disis_munger~ to Purr Data from pd-l2ork 1.0 (experimental)
• fix the build scripts by adding toplevel makefile with new targets
• fix uninstall icon on Windows
• add dashed box around comments when in edit mode to show the maximum space they will take up