Timezone tests are failing

```
  1) Users User timezone Test timezones:
      
      actual expected
      
      America/Argentina/Buenos_AiresGodthab
      
  AssertionError: "America/Godthab" == "America/Argentina/Buenos_Aires"
      at /home/travis/build/oaeproject/Hilary/node_modules/oae-principals/tests/test-users.js:727:32
      at Request._callback (/home/travis/build/oaeproject/Hilary/node_modules/oae-rest/lib/util.js:198:16)
      at Request.init.self.callback (/home/travis/build/oaeproject/Hilary/node_modules/request/index.js:148:22)
      at Request.EventEmitter.emit (events.js:99:17)
      at Request.onResponse (/home/travis/build/oaeproject/Hilary/node_modules/request/index.js:876:14)
      at Request.EventEmitter.emit (events.js:126:20)
      at IncomingMessage.Request.onResponse.buffer (/home/travis/build/oaeproject/Hilary/node_modules/request/index.js:827:12)
      at IncomingMessage.EventEmitter.emit (events.js:126:20)
      at IncomingMessage._emitEnd (http.js:366:10)
      at HTTPParser.parserOnMessageComplete [as onMessageComplete] (http.js:149:23)
  2) TZ #getRailsTimeZoneFromTZInfo() verify proper rails conversion:
      
      actual expected
      
      America/PhoenixTijuana
      
  AssertionError: "America/Tijuana" == "America/Phoenix"
      at Context.<anonymous> (/home/travis/build/oaeproject/Hilary/node_modules/oae-util/tests/test-tz.js:40:20)
      at Test.Runnable.run (/home/travis/build/oaeproject/Hilary/node_modules/mocha/lib/runnable.js:211:32)
      at Runner.runTest (/home/travis/build/oaeproject/Hilary/node_modules/mocha/lib/runner.js:352:10)
      at Runner.runTests.next (/home/travis/build/oaeproject/Hilary/node_modules/mocha/lib/runner.js:398:12)
      at next (/home/travis/build/oaeproject/Hilary/node_modules/mocha/lib/runner.js:278:14)
      at Runner.hooks (/home/travis/build/oaeproject/Hilary/node_modules/mocha/lib/runner.js:287:7)
      at next (/home/travis/build/oaeproject/Hilary/node_modules/mocha/lib/runner.js:234:23)
      at Runner.hook (/home/travis/build/oaeproject/Hilary/node_modules/mocha/lib/runner.js:255:5)
      at process.startup.processNextTick.process._tickCallback (node.js:245:9)
```