.jshintrc

tests: conditionalize the progress timestamp for Windows

It looks like for py2 on Windows, the start date is 1970.  It matches the other
platforms for py3, so I'm just going to match the tests and move on, given that
py2 is on the way out.

Differential Revision: https://phab.mercurial-scm.org/D9541

{
    // Enforcing
    "eqeqeq"        : true,     // true: Require triple equals (===) for comparison
    "forin"         : true,     // true: Require filtering for..in loops with obj.hasOwnProperty()
    "freeze"        : true,     // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
    "nonbsp"        : true,     // true: Prohibit "non-breaking whitespace" characters.
    "undef"         : true,     // true: Require all non-global variables to be declared (prevents global leaks)

    // Environments
    "browser"       : true      // Web Browser (window, document, etc)
}