Fix for issue #501

Added heko request to readme

src/diagrams/classDiagram/classDb.js

@@ -1,7 +1,6 @@
 
 var Logger = require('../../logger');
-var log = new Logger.Log();
-
+var log = Logger.Log;
 var relations = [];
 
 var classes;

src/diagrams/classDiagram/classRenderer.js

@@ -7,8 +7,8 @@ var cDDb = require('./classDb');
 cd.yy = cDDb;
 var d3 = require('../../d3');
 var Logger = require('../../logger');
+var log = Logger.Log;
 var dagre = require('dagre');
-var log = new Logger.Log();
 
 var idCache;
 idCache = {};

src/diagrams/example/exampleDb.js

@@ -2,7 +2,7 @@
  * Created by knut on 15-01-14.
  */
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 var message = '';
 var info = false;

src/diagrams/example/exampleRenderer.js

@@ -4,8 +4,10 @@
 var db = require('./exampleDb');
 var exampleParser = require('./parser/example.js');
 var d3 = require('../../d3');
+
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
+// var log = new Logger.Log();
 
 /**
  * Draws a an info picture in the tag with id: id based on the graph definition in text.

src/diagrams/flowchart/dagre-d3.js

@@ -1,6 +1,6 @@
 /* global window */
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 var dagreD3;
 //log.debug('setting up dagre-d3');

src/diagrams/flowchart/flowRenderer.js

@@ -7,7 +7,7 @@ var dot = require('./parser/dot');
 var d3 = require('../../d3');
 var dagreD3 = require('./dagre-d3');
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 
 var conf = {

src/diagrams/flowchart/graphDb.js

@@ -2,7 +2,7 @@
  * Created by knut on 14-11-03.
  */
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 var utils = require('../../utils');
 
 var d3 = require('../../d3');

src/diagrams/gantt/ganttDb.js

@@ -3,7 +3,7 @@
  */
 var moment = require('moment');
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 
 var dateFormat = '';

src/diagrams/gitGraph/gitGraphAst.js

@@ -1,9 +1,7 @@
 var Logger = require('../../logger');
+var log = Logger.Log;
 var _ = require('lodash');
 
-//var log = new Logger.Log();
-var log = new Logger.Log(1);
-
 
 var commits = {};
 var head  = null;

src/diagrams/gitGraph/gitGraphRenderer.js

@@ -3,8 +3,8 @@ var _ = require('lodash');
 var gitGraphParser = require('./parser/gitGraph');
 var d3 = require('../../d3');
 var Logger = require('../../logger');
+var log = Logger.Log;
 
-var log = new Logger.Log();
 var allCommitsDict = {};
 var branchNum;
 var config = {

src/diagrams/sequenceDiagram/sequenceDb.js

@@ -6,7 +6,7 @@ var messages  = [];
 var notes     = [];
 var title = '';
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 
 

src/diagrams/sequenceDiagram/sequenceRenderer.js

@@ -7,7 +7,7 @@ sq.yy = require('./sequenceDb');
 var svgDraw = require('./svgDraw');
 var d3 = require('../../d3');
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 var conf = {