Update build config

* declare and reuse RegExp instances
* add /tests to copyOnly
* trees: configure ignore option for
  * hidden files (.*)
  * homedir files
  * html-report (Intern reporting info)
  * node_modules

package.js

@@ -1,35 +1,47 @@
-var miniExcludes = {
+// jshint unused: false
+var profile = (function () {
+	var miniExcludes = {
 		'dstore/README.md': 1,
 		'dstore/package': 1
-	},
-	isTestRe = /\/test\//;
+	};
+	var amdRegex = /\.js$/;
+	var isRqlRegex = /RqlQuery\.js/;
+	var isTestRegex = /\/tests\//;
+	var miniExcludeRegex = /\/(?:tests|demos|docs)\//;
+	var packages = {};
 
-var packages = {};
-try {
-	// retrieve the set of packages for determining which modules to include
-	require(['util/build/buildControl'], function (buildControl) {
-		packages = buildControl.packages;
-	});
-} catch (error) {
-	console.error('Unable to retrieve packages for determining optional package support in dstore');
-}
-var profile = {
-	resourceTags: {
-		test: function (filename, mid) {
-			return isTestRe.test(filename);
-		},
+	try {
+		// retrieve the set of packages for determining which modules to include
+		require([ 'util/build/buildControl' ], function (buildControl) {
+			packages = buildControl.packages;
+		});
+	}
+	catch (error) {
+		console.error('Unable to retrieve packages for determining optional package support in dstore');
+	}
 
-		miniExclude: function (filename, mid) {
-			return /\/(?:tests|demos|docs)\//.test(filename) || mid in miniExcludes;
-		},
+	return {
+		resourceTags: {
+			test: function (filename) {
+				return isTestRegex.test(filename);
+			},
 
-		amd: function (filename, mid) {
-			return /\.js$/.test(filename);
+			miniExclude: function (filename, mid) {
+				return miniExcludeRegex.test(filename) || mid in miniExcludes;
+			},
+
+			amd: function (filename) {
+				return amdRegex.test(filename);
+			},
+
+			copyOnly: function (filename) {
+				// conditionally omit modules dependent on rql packages
+				return isTestRegex.test(filename) || (!packages.rql && isRqlRegex.test(filename));
+			}
 		},
 
-		copyOnly: function (filename, mid) {
-			// conditionally omit modules dependent on rql packages
-			return (!packages['rql'] && /RqlQuery\.js/.test(filename));
-		}
-	}
-};
+		trees: [
+			[ '.', '.', /(?:\/\.)|(?:~$)|(?:(?:html-report|node_modules)\/)/ ]
+		]
+	};
+})();