watch callbacks should have access to public instance

[shakyShane]

re: #411

Example use-case, when using bs-config

module.exports = {
    server: './app',
    files: [
        './app/*.html',
        './app/js/*.js',
        {
            options: {
                ignoreInitial: true
            },
            match: './app/css/*.css',
            fn: function (event, file) {
                if (event === 'change') {
                    this.reload(file);
                }
            }
        }
    ]
};

[zanona]

Hey @shakyShane may I ask what does Chokidar ingoreInitial option does in this case?
I read their docs but couldn't quite figure out. Thanks

[shakyShane]

it fires add events for each file that it finds on the initial file system scan.

[shakyShane]

remove it, & put a log in to see what i mean

module.exports = {
    server: './app',
    files: [
        './app/*.html',
        './app/js/*.js',
        {
            match: './app/css/*.css',
            fn: function (event, file) {
                console.log(event);
            }
        }
    ]
};

[zanona]

Ah yes. Got it! so setting it to true will basically ignore those add events which is nice once only focusing on change events. Thanks man.