Update syntax in ember templates.

No Issue.
- Outlet names must be quoted.
- {{#each}} helper will no longer implicitly switch context.
  Change usage to {{#each foo in bar}}.
Merge pull request #4594 from jaswilli/ember19-prep

Update syntax in ember templates.
Change sitemap root location

Closes #4590

- Removes `-index` from the root sitemap
- Removes redirects (which send sitemap.xml to sitemap-index.xml)
- Adjust tests
Merge pull request #4599 from PaulAdamDavis/sitemap-index

Change sitemap root location
Fix reset token verification

closes #3872
closes #4603
- updated regex to work with url safe tokens
Merge pull request #4604 from sebgie/issue#3872-1

Fix reset token verification
Adds ctrl/cmd+s shortcut to whole application with a noop default

closes #4516
- shortcut for ctrl/cmd+s on application level
- shortens a syntax for any route that is using 'save' method, shortcuts object doesn't have to be defined at all, only the save action.
Merge pull request #4523 from Gargol/issue-4516

Adds ctrl/cmd+s shortcut to whole application with a noop default