Merge pull request #2737 from edx/feanil/re_order_travis

Do the fast checks first and then the slow docker tasks.

.travis.yml

@@ -26,11 +26,11 @@ install:
   - "pip install --allow-all-external demjson"
 
 env:
+  - MAKE_TARGET=test.syntax
+  - MAKE_TARGET=test.edx_east_roles
   - MAKE_TARGET=docker.test.shard SHARD=0 SHARDS=3
   - MAKE_TARGET=docker.test.shard SHARD=1 SHARDS=3
   - MAKE_TARGET=docker.test.shard SHARD=2 SHARDS=3
-  - MAKE_TARGET=test.syntax
-  - MAKE_TARGET=test.edx_east_roles
 
 script:
   - docker --version