MIN: Marked several functions as depercated in the dp module.
MIN: Marked several functions as depercated in the dp module.

The functions are fill_phidp and process_raw_phidp.

heistermann/wradlib,kmuehlbauer/wradlib,kmuehlbauer/wradlib,wradlib/wradlib,heistermann/wradlib,wradlib/wradlib