Adds Examples for Train Feature

- Adds Python version of `TrainingInitializeRegressionAlgorithm`;
- Adds C# version of `TrainingExampleAlgorithm`;
- Removes `TrainingScheduledRegressionAlgorithm`.

Algorithm.Python/TrainingInitializeRegressionAlgorithm.py

@@ -0,0 +1,43 @@
+# QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
+# Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from clr import AddReference
+AddReference("System")
+AddReference("QuantConnect.Algorithm")
+AddReference("QuantConnect.Common")
+
+from System import *
+from QuantConnect import *
+from QuantConnect.Algorithm import *
+from time import sleep
+
+### <summary>
+### This regression algorithm is expected to fail and verifies that a training event
+### created in Initialize will get run AND it will cause the algorithm to fail if it
+### exceeds the "algorithm-manager-time-loop-maximum" config value, which the regression
+### test sets to 0.5 minutes.
+### </summary>
+class TrainingInitializeRegressionAlgorithm(QCAlgorithm):
+    '''Example algorithm showing how to use QCAlgorithm.Train method'''
+
+    def Initialize(self):
+
+        self.SetStartDate(2013, 10, 7)
+        self.SetEndDate(2013, 10, 11)
+
+        self.AddEquity("SPY", Resolution.Daily)
+
+        # this should cause the algorithm to fail
+        # the regression test sets the time limit to 30 seconds and there's one extra
+        # minute in the bucket, so a two minute sleep should result in RuntimeError
+        self.Schedule.TrainingNow(lambda: sleep(150))