modernize multiple seqs and fix deprecated use of endCheckEmpty

seqs/ejabberd.sh

@@ -114,7 +114,7 @@ step_14() {
 readDomain() {
   if [ "$myDomain" == "" ] ; then
     read -p "Enter your domain: " myDomain
-    endCheckEmpty myDomain "$toolName domain"
+    endIfEmpty myDomain "$toolName domain"
   fi
 }
 
@@ -123,7 +123,7 @@ readUser() {
   if [ "$myUser" == "" ] ; then
     read -p "Enter user name: " myUser
     echo
-    endCheckEmpty myUser "$toolName user name"
+    endIfEmpty myUser "$toolName user name"
   fi
 }
 
@@ -138,7 +138,7 @@ readUserPass() {
       echo "[ERROR] Passwords don't match"
       return 1;
     fi
-    endCheckEmpty myPass "$toolName user password"
+    endIfEmpty myPass "$toolName user password"
   fi
 }