Update emulator version to 1.3.0.

Author: wsh

.travis.yml

@@ -8,7 +8,7 @@ before_install:
   - ./get_app_engine_sdk.sh
   - ./get_gcd_zip.sh
   - export GAE="./cache/google_appengine"
-  - export GCD_ZIP="./cache/cloud-datastore-emulator-1.3.zip"
+  - export GCD_ZIP="./cache/cloud-datastore-emulator-1.3.0.zip"
 
 install:
   - pip install tox

get_gcd_zip.sh

@@ -30,7 +30,7 @@ cd cache
 if [[ -f gcd.zip ]]; then
   echo "GCD already downloaded. Doing nothing."
 else
-  wget https://storage.googleapis.com/gcd/tools/cloud-datastore-emulator-1.3.zip -nv
+  wget https://storage.googleapis.com/gcd/tools/cloud-datastore-emulator-1.3.0.zip -nv
 fi
 
 echo "Cache contents after getting gcd:"