Add support for --list-proc-units and --list-frames options.

--list-proc-units was documented in 1.0 release but it was never
wired up to work. --list-frames was not documented in 1.0 and it
wasn't working either.

ChangeLog

 |-----------------------------------------------------------------------|
+xxxx-xx-xx : Version -next
+ * Add support for --list-proc-units and --list-frames.
+
 2014-12-03 : Version 1.0
  * Add missing documentation for --list-moutputs parameter.
  * Add support for serial ports (names, routing, locks and directions),

test/run

 
 videohubctrl --test-input test/input-17.txt --info $@ &> test/test-17.out
 check test/test-17 "Test wider range of input commands"
+
+videohubctrl --test-input test/input-00.txt --list-proc-units $@ &> test/test-18.out
+check test/test-18 "Test --list-proc-units option output"
+
+videohubctrl --test-input test/input-00.txt --list-frames $@ &> test/test-19.out
+check test/test-19 "Test --list-frames option output"

test/test-18.ok

+Processing units
+  --------------------------------------------
+  | Proc Unit | x | Connected video input    |
+  --------------------------------------------
+  |         1 | L | Windows 4 HD             |
+  |         2 |   | Windows 2                |
+  |         3 | O |                          |
+  |         4 |   | Windows 3                |
+  --------------------------------------------
+

test/test-19.ok

+Frames
+  -----------------------------------------------------------------
+  | ### | x | Frame name               | Connected output         |
+  -----------------------------------------------------------------
+  |   1 |   | Frame 1                  | Output 13                |
+  |   2 | L | Frame 2                  | Output 14                |
+  |   3 | O | Frame 3                  | Output 15                |
+  |   4 |   | Frame 4                  |                          |
+  |   5 |   | Frame 5                  |                          |
+  |   6 |   | Frame 6                  |                          |
+  |   7 |   | Frame 7                  |                          |
+  |   8 |   | Frame 8                  |                          |
+  -----------------------------------------------------------------
+

videohubctrl.c

 	{ "list-voutputs",		no_argument,       NULL, 903 },
 	{ "list-moutputs",		no_argument,       NULL, 904 },
 	{ "list-serial",		no_argument,       NULL, 905 },
+	{ "list-proc-units",	no_argument,       NULL, 906 },
+	{ "list-frames",		no_argument,       NULL, 907 },
 	{ "vi-name",			required_argument, NULL, 1001 },
 	{ "vo-name",			required_argument, NULL, 2001 },
 	{ "vo-input",			required_argument, NULL, 2002 },
 			case 903: show_list |= action_list_voutputs; break; // --list-voutputs
 			case 904: show_list |= action_list_moutputs; break; // --list-moutputs
 			case 905: show_list |= action_list_serial; break; // --list-serial
+			case 906: show_list |= action_list_proc_units; break; // --list-proc-units
+			case 907: show_list |= action_list_frames; break; // --list-frames
 			case 1001: parse_cmd2(argc, argv, CMD_INPUT_LABELS); break; // --vi-name
 			case 2001: parse_cmd2(argc, argv, CMD_OUTPUT_LABELS); break; // --vo-name
 			case 2002: parse_cmd2(argc, argv, CMD_VIDEO_OUTPUT_ROUTING); break; // --vo-input