Rename server to alpha in functions.sh

Author: Paul Korzhyk

scripts/functions.sh

@@ -6,7 +6,7 @@ if [[ "$TRAVIS" == true ]]; then
 fi
 
 function quit {
-    echo "Shutting down Dgraph server and zero."
+    echo "Shutting down Dgraph alpha and zero."
     curl -s localhost:8080/admin/shutdown
     # Kill Dgraph zero.
     kill -9 $(pgrep -f "dgraph zero") > /dev/null
@@ -25,8 +25,8 @@ function quit {
 }
 
 function start {
-    echo -e "Starting first server."
-    dgraph server -p data/p -w data/w --lru_mb 4096 --zero localhost:5080 > data/server.log 2>&1 &
+    echo -e "Starting Dgraph alpha."
+    dgraph alpha -p data/p -w data/w --lru_mb 4096 --zero localhost:5080 > data/server.log 2>&1 &
     # Wait for membership sync to happen.
     sleep $sleepTime
     return 0