ci(Travis): angular#88 enable circular dependency checks

 - adds lint to travis matrix
 - enables mode in build-and-test.sh
 - updates madge to 1.4.4
   - changes from 0.6.0 to 1.4.4 don't effect usage
 - updates yarn lock file accordingly

.travis.yml

@@ -30,6 +30,7 @@ env:
   - secure: "fq/U7VDMWO8O8SnAQkdbkoSe2X92PVqg4d044HmRYVmcf6YbO48+xeGJ8yOk0pCBwl3ISO4Q2ot0x546kxfiYBuHkZetlngZxZCtQiFT9kyId8ZKcYdXaIW9OVdw3Gh3tQyUwDucfkVhqcs52D6NZjyE2aWZ4/d1V4kWRO/LMgo="
   matrix:
     # Order: a slower build first, so that we don't occupy an idle travis worker waiting for others to complete.
+    - MODE=lint
     - MODE=saucelabs_required
     - MODE=browserstack_required
     - MODE=saucelabs_optional

package.json

@@ -121,7 +121,7 @@
     "karma-sauce-launcher": "^1.0.0",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "1.8.0",
-    "madge": "^0.6.0",
+    "madge": "^1.4.4",
     "merge2": "^1.0.2",
     "minimist": "^1.2.0",
     "null-loader": "^0.1.1",

tools/scripts/ci/build-and-test.sh

@@ -13,6 +13,10 @@ source tools/scripts/ci/sources/tunnel.sh
 start_tunnel
 wait_for_tunnel
 
-$(npm bin)/gulp ci:test
+if is_lint; then
+  $(npm bin)/gulp ci:lint
+else
+  $(npm bin)/gulp ci:test
+fi
 
 teardown_tunnel