[WIP] Update JQuery to 3.0.0

[Saibamen]

Ref: #1229
Closes #1215

[jennifer-shehane]

Hey @Saibamen, if you could, rename the PR title to have [WIP] if you are still working through this issue.

When you're ready for an official pull request review, choose a reviewer (if possible) and remove the [WIP] from the title.

[Saibamen]

can type into an iframe with designmode = 'on' from type_spec.coffee is failing. I don't know how to fix this

[jennifer-shehane]

Test failures:

Screenshots are different sizes in jQuery update in cypress/packages/server/test/e2e/5_screenshots_spec.coffee

-  - /foo/bar/.projects/e2e/cypress/screenshots/screenshots_spec.coffee/taking screenshots -- really long test title aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.png (1000x660)
-  - /foo/bar/.projects/e2e/cypress/screenshots/screenshots_spec.coffee/taking screenshots -- really long test title aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa (1).png (1000x660)
+  - /foo/bar/.projects/e2e/cypress/screenshots/screenshots_spec.coffee/taking screenshots -- really long test title aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.png (1000x548)
+  - /foo/bar/.projects/e2e/cypress/screenshots/screenshots_spec.coffee/taking screenshots -- really long test title aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa (1).png (1000x548)

undefined printing in error message instead of element in

• cypress/packages/server/test/e2e/3_issue_173_spec.coffee
• cypress/packages/server/test/e2e/2_config_spec.coffee
• cypress/packages/server/test/e2e/1_caught_uncaught_hook_errors_spec.coffee

-     CypressError: Timed out retrying: Expected to find element: 'element_does_not_exist', but never found it.
+     CypressError: Timed out retrying: Expected to find element: 'undefined', but never found it.

[Saibamen]

Merged latest develop branch.
Need help with that PR

[chrisbreiding]

Closing in favor of #1229