docs(ngBindHtml): fix dependency for Plunker and JSFiddle in example

The `<doc:example>` directive does not load up the dependencies correctly.
Using the `<example>` directive, with `<file>` elements fixes this.

Closes #4951
docs(downloading): fix invalid filenames and add missing modules

Closes #4846
docs(misc/contribute): fix internal links

Closes #4848
docs(tutorial/step-12): fix incorrect code filename

Closes #4860
docs(resource): fix grammatical issue

'Case' should be the plural 'cases' since it is talking about multiple possible cases rather
than a single case. For slightly more info, see the section 'When words like "none" are the
subject' in this article: http://writing.wisc.edu/Handbook/SubjectVerb.html
docs(guide/directive): clarify sentence meaning

Closes #4873
docs(guide/directive): split long lines
docs(tutorial/step-2): remove repeated "the"

Closes #4854
docs($q): add missing closing parentheses in code example

Closes #4900
docs(guide/concepts): improve sentence wording

Before:

> Let's add some more logic to the example to
allow to enter and calculate the costs in different currencies and also pay the invoice.

After:

> Let's add some more logic to the example that
allows us to enter and calculate the costs in different currencies and also pay the invoice.

Closes #4903
docs(NgModelController): clarify documentation of `$setViewValue`

$setViewValue does not really "Read a value from view".
It should be called to trigger the ngModel to be updated when the value in the view changes.

Closes #4907
docs(ngClass): distinguish between CSS classes and scope properties

Closes #4914
docs(guide/concepts): controllers can also access scope

Closes #4918
docs(misc/faq): fix invalid escaping of character

Backslash is acting as escape character so text is not properly formatted.

Closes #4923
docs(FormController): remove unnecessary parenthesis

Closes #4936
docs(NgModelController): document `$viewChangeListeners` property

Closes #4948
docs(ngClass): fix e2e test for example

Broken by fd7bca22e16b0ecbe1feaf49bab39d9a44b8df01
docs(tutorial): change controllers to not have name twice

While giving the controller function a name helps with debugging,
since otherwise your controller will be anonymous in stack traces,
passing the name to both the `controller()` method and as the function name
is confusing for beginners.

Closes #4415
chore(mocks): Remove reference to flushNext

Closes #4885
fix(minErr): remove references to internals APIs

So that we can use minErr with angular-loader, before full angular is loaded.

This also fixes replacing the version during the build.