make sure we don't have namespace clashes between libraries and apps

* All loging prefixes in libraries should be DL like DLINP
* All signals / subsystems should be called S_L_* SS_L_*
* All command nodes should be called L_*_NODE

This makes sure existinc code still compiles as expected
diff --git a/src/logging.c b/src/logging.c
index 6aad6e1..52f401c 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -72,35 +72,35 @@
 		.loglevel = LOGL_NOTICE,
 		.enabled = 1,
 	},
-	[INT2IDX(DINP)] = {
+	[INT2IDX(DLINP)] = {
 		.name = "DINP",
 		.description = "A-bis Intput Subsystem",
 		.loglevel = LOGL_NOTICE,
 		.enabled = 1,
 	},
-	[INT2IDX(DMUX)] = {
+	[INT2IDX(DLMUX)] = {
 		.name = "DMUX",
 		.description = "A-bis B-Subchannel TRAU Frame Multiplex",
 		.loglevel = LOGL_NOTICE,
 		.enabled = 1,
 	},
-	[INT2IDX(DMI)] = {
+	[INT2IDX(DLMI)] = {
 		.name = "DMI",
 		.description = "A-bis Input Driver for Signalling",
 		.enabled = 0, .loglevel = LOGL_NOTICE,
 	},
-	[INT2IDX(DMIB)] = {
+	[INT2IDX(DLMIB)] = {
 		.name = "DMIB",
 		.description = "A-bis Input Driver for B-Channels (voice)",
 		.enabled = 0, .loglevel = LOGL_NOTICE,
 	},
-	[INT2IDX(DRSL)] = {
+	[INT2IDX(DLRSL)] = {
 		.name = "DRSL",
 		.description = "A-bis Radio Siganlling Link (RSL)",
 		.color = "\033[1;35m",
 		.enabled = 1, .loglevel = LOGL_NOTICE,
 	},
-	[INT2IDX(DNM)] = {
+	[INT2IDX(DLNM)] = {
 		.name = "DNM",
 		.description = "A-bis Network Management / O&M (NM/OML)",
 		.color = "\033[1;36m",