more name hint interace updates

- add long card name to device description
- create empty PCM plugin to allow right hint description parsing
- reorder devices in alsa.conf
- make namehint more configurable (using default.namehint.showall switch)
- add two levels basic and exteded for hints to default configuration files
- do not show direct device aliases
- removed all known memory leaks

src/conf/cards/HDA-Intel.conf

@@ -19,10 +19,7 @@ HDA-Intel.pcm.front.0 {
 		name "PCM Playback Volume"
 		card $CARD
 	}
-	hint {
-		description "Front speakers and multichannel output"
-		device 0
-	}
+	hint.device 0
 }	
 
 # default with dmix+softvol & dsnoop
@@ -54,7 +51,6 @@ HDA-Intel.pcm.default {
 		}
 	}
 	hint {
-		description "Default dmix+softvol + dsnoop device"
 		device_output {
 			@func refer
 			name defaults.pcm.dmix.device
@@ -140,10 +136,7 @@ HDA-Intel.pcm.iec958.0 {
 			]
 		}
 	}
-	hint {
-		description "IEC958 (S/PDIF) Output"
-		device 1
-	}
+	hint.device 1
 }
 
 <confdir:pcm/modem.conf>
@@ -156,5 +149,5 @@ HDA-Intel.pcm.modem.0 {
 	type hw
 	card $CARD
 	device 6
-	hint 0
+	hint.show off
 }