avoid polygon name conflicts in select.js

Author: archmoj

src/components/selections/select.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var polybool = require('polybooljs');
-var pointInPolygon = require('point-in-polygon/nested');
+var pointInPolygon = require('point-in-polygon/nested'); // could we use contains lib/polygon instead?
 
 var Registry = require('../../registry');
 var dashStyle = require('../drawing').dashStyle;
@@ -32,7 +32,7 @@ var activateLastSelection = require('./draw').activateLastSelection;
 
 var Lib = require('../../lib');
 var ascending = Lib.sorterAsc;
-var polygon = require('../../lib/polygon');
+var libPolygon = require('../../lib/polygon');
 var throttle = require('../../lib/throttle');
 var getFromId = require('../../plots/cartesian/axis_ids').getFromId;
 var clearGlCanvases = require('../../lib/clear_gl_canvases');
@@ -42,8 +42,8 @@ var redrawReglTraces = require('../../plot_api/subroutines').redrawReglTraces;
 var constants = require('./constants');
 var MINSELECT = constants.MINSELECT;
 
-var filteredPolygon = polygon.filter;
-var polygonTester = polygon.tester;
+var filteredPolygon = libPolygon.filter;
+var polygonTester = libPolygon.tester;
 
 var helpers = require('./helpers');
 var p2r = helpers.p2r;
@@ -596,7 +596,7 @@ function multiTester(list) {
         if(isPointSelectionDef(list[i])) {
             testers.push(newPointNumTester(list[i]));
         } else {
-            var tester = polygon.tester(list[i]);
+            var tester = polygonTester(list[i]);
             tester.subtract = !!list[i].subtract;
             testers.push(tester);