Have a way to enable calls to hover providers when debugging

[alexdima]

[alexdima]

To be verified with:

• package.json:

{
    "publisher": "alex",
    "name": "47466",
    "version": "0.0.0",
    "engines": {
        "vscode": "^1.0.0"
    },
    "activationEvents": [
        "*"
    ],
    "main": "index.js"
}

• index.js:

const vscode = require('vscode');

exports.activate = function () {

	vscode.languages.registerHoverProvider('*', {
		provideHover: (doc, pos) => {
            console.log(`provideHover invoked!`);
		}
	});
};

• set the new config options
• start debugging
  The hover provider should be invoked.