CComponents: add progressbar class to cc-items

CProgressbar moved into components sub directory and adapt includes.
Progressbar objects are now usable as cc-item

TODO:
-some color and size corrections
-found some dub codes for sig and snr-bars, needs rework

src/neutrino.cpp

@@ -86,10 +86,6 @@
 #include "gui/widget/messagebox.h"
 #include "gui/infoclock.h"
 
-#if HAVE_COOL_HARDWARE
-#include "gui/widget/progressbar.h"
-#endif
-
 #include <audio.h>
 #include <ca_cs.h>
 #include <cs_api.h>