Build: Update travis file to use dist trusty

Trusty has Java 8

Fixes #8457
Closes #8459

Author: apsdehal

.travis.yml

@@ -1,39 +1,40 @@
 language: php
 
 php:
-  - "5.5"
+	- "5.5"
 
-sudo: false
+sudo: required
+dist: trusty
 
 cache:
-  directories:
-  - node_modules
+	directories:
+	- node_modules
 
-before_script: 
-  - npm install -g grunt-cli
-  - npm install
+before_script:
+	- npm install -g grunt-cli
+	- npm install
 
 script: npm run-script ci
 
 env:
-  - JQUERIES=1.9.1
-    CITYPE=test
-    SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
-  - JQUERIES=1.10.2
-    CITYPE=test
-    SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
-  - JQUERIES=1.11.3
-    CITYPE=test
-    SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
-  - JQUERIES=2.1.1
-    CITYPE=test
-    SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
-  - JQUERIES=git
-    CITYPE=test
-    SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
-  - CITYPE=demos
+	- JQUERIES=1.9.1
+		CITYPE=test
+		SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
+	- JQUERIES=1.10.2
+		CITYPE=test
+		SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
+	- JQUERIES=1.11.3
+		CITYPE=test
+		SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
+	- JQUERIES=2.1.1
+		CITYPE=test
+		SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
+	- JQUERIES=git
+		CITYPE=test
+		SUITES=-navigation/sequence/sequence-dialog-hash-key-tests.html,-navigation/sequence/sequence-push-state-disabled-path1-path2-dialog-hash-key-tests.html,-navigation/sequence/sequence-path1-path2-dialog-hash-key-tests.html
+	- CITYPE=demos
 
 notifications:
-  irc:
-    channels:
-      - "chat.freenode.net#jqueryui-dev"
+	irc:
+		channels:
+			- "chat.freenode.net#jqueryui-dev"