Fix some typos

Fix typos and common misspellings in code comments and log messages.

Change-Id: Ie66b89065f2100c1d2125ce5a6c9b1d58df7c8ad
diff --git a/src/libmsc/msc_vty.c b/src/libmsc/msc_vty.c
index 51504ef..f833585 100644
--- a/src/libmsc/msc_vty.c
+++ b/src/libmsc/msc_vty.c
@@ -1929,7 +1929,7 @@
 {
 	if (vty->type != VTY_FILE) {
 		vty_out(vty, "The IPA name cannot be changed at run-time; "
-			"It can only be set in the configuraton file.%s", VTY_NEWLINE);
+			"It can only be set in the configuration file.%s", VTY_NEWLINE);
 		return CMD_WARNING;
 	}