Added tags to python algorithms

Algorithm.Python/RegressionChannelAlgorithm.py

@@ -1,10 +1,10 @@
 # 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"); 
+#
+# 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.
@@ -28,21 +28,26 @@ import numpy as np
 import decimal as d
 from datetime import timedelta, datetime
 
+### <summary>
+### Regression Channel algorithm simply initializes the date range and cash
+### </summary>
+### <meta name="tag" content="indicators" />
+### <meta name="tag" content="indicator classes" />
+### <meta name="tag" content="placing orders" />
+### <meta name="tag" content="plotting indicators" />
 class RegressionChannelAlgorithm(QCAlgorithm):
-    
-    ''' Regression Channel algorithm simply initializes the date range and cash '''
 
     def Initialize(self):
 
         self.SetCash(100000)
         self.SetStartDate(2009,1,1)
         self.SetEndDate(2015,1,1)
-        
+
         equity = self.AddEquity("SPY", Resolution.Minute)
         self._spy = equity.Symbol
         self._holdings = equity.Holdings
         self._rc = self.RC(self._spy, 30, 2, Resolution.Daily)
-        
+
         stockPlot = Chart("Trade Plot")
         stockPlot.AddSeries(Series("Buy", SeriesType.Scatter, 0))
         stockPlot.AddSeries(Series("Sell", SeriesType.Scatter, 0))
@@ -61,7 +66,7 @@ class RegressionChannelAlgorithm(QCAlgorithm):
         if self._holdings.Quantity >= 0 and value > self._rc.UpperChannel.Current.Value:
             self.SetHoldings(self._spy, -1)
             self.Plot("Trade Plot", "Sell", value)
-    
+
     def OnEndOfDay(self):
         self.Plot("Trade Plot", "UpperChannel", self._rc.UpperChannel.Current.Value)
         self.Plot("Trade Plot", "LowerChannel", self._rc.LowerChannel.Current.Value)