Move all core files into src/core.

Move Browser & Node specs to test against lib/jasmine.js instead of the separate source. Yes, this makes development a little harder but it's better to test that jasmine.js was built correctly.

src/core/WaitsForBlock.js

@@ -0,0 +1,54 @@
+/**
+ * A block which waits for some condition to become true, with timeout.
+ *
+ * @constructor
+ * @extends jasmine.Block
+ * @param {jasmine.Env} env The Jasmine environment.
+ * @param {Number} timeout The maximum time in milliseconds to wait for the condition to become true.
+ * @param {Function} latchFunction A function which returns true when the desired condition has been met.
+ * @param {String} message The message to display if the desired condition hasn't been met within the given time period.
+ * @param {jasmine.Spec} spec The Jasmine spec.
+ */
+jasmine.WaitsForBlock = function(env, timeout, latchFunction, message, spec) {
+  this.timeout = timeout || env.defaultTimeoutInterval;
+  this.latchFunction = latchFunction;
+  this.message = message;
+  this.totalTimeSpentWaitingForLatch = 0;
+  jasmine.Block.call(this, env, null, spec);
+};
+jasmine.util.inherit(jasmine.WaitsForBlock, jasmine.Block);
+
+jasmine.WaitsForBlock.TIMEOUT_INCREMENT = 10;
+
+jasmine.WaitsForBlock.prototype.execute = function(onComplete) {
+  if (jasmine.VERBOSE) {
+    this.env.reporter.log('>> Jasmine waiting for ' + (this.message || 'something to happen'));
+  }
+  var latchFunctionResult;
+  try {
+    latchFunctionResult = this.latchFunction.apply(this.spec);
+  } catch (e) {
+    this.spec.fail(e);
+    onComplete();
+    return;
+  }
+
+  if (latchFunctionResult) {
+    onComplete();
+  } else if (this.totalTimeSpentWaitingForLatch >= this.timeout) {
+    var message = 'timed out after ' + this.timeout + ' msec waiting for ' + (this.message || 'something to happen');
+    this.spec.fail({
+      name: 'timeout',
+      message: message
+    });
+
+    this.abort = true;
+    onComplete();
+  } else {
+    this.totalTimeSpentWaitingForLatch += jasmine.WaitsForBlock.TIMEOUT_INCREMENT;
+    var self = this;
+    this.env.setTimeout(function() {
+      self.execute(onComplete);
+    }, jasmine.WaitsForBlock.TIMEOUT_INCREMENT);
+  }
+};