Update scripts (#29)

Update scripts

* Fix script with nightly issue
* Add --accept-licence to accepts licence

requirements.txt

@@ -1 +1,2 @@
-grpcio==1.14.2
+grpcio==1.17.1
+protobuf==3.6.1

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 first Alpha."
+    dgraph alpha -p data/p -w data/w --lru_mb 4096 --zero localhost:5080 > data/alpha.log 2>&1 &
     # Wait for membership sync to happen.
     sleep $sleepTime
     return 0

scripts/install_dgraph.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-curl https://get.dgraph.io -sSf | bash -s nightly
+curl https://get.dgraph.io -sSf | bash -s -- --accept-license