Improve readme and samples (#210)

Author: benmccann

README.md

@@ -77,13 +77,6 @@ To configure the zoom and pan plugin, you can simply add new config options to y
 
 Programmatically resets the zoom to the default state. See [samples/zoom-time.html](samples/zoom-time.html) for an example.
 
-## To-do Items
-The following features still need to be done:
-* Pan limits. We should be able to set limits for all axes or for a single axis, identified by ID, that are the maximum and minimum values, in data values, that can be panned to.
-* Zoom limits. Similar to pan limits but for zooming
-* Panning of category scales (the ones that use strings as labels)
-* Zooming of category scales (the ones that use strings as labels)
-
 ## Installation
 
 To download a zip, go to the chartjs-plugin-zoom.js on Github

samples/pan-bar.html

@@ -76,11 +76,7 @@
 					},
 					zoom: {
 						enabled: true,
-						mode: 'y',
-						limits: {
-							max: 10,
-							min: 0.5
-						}
+						mode: 'y'
 					},
 					scales: {
 						xAxes: [{

samples/zoom-bar-x.html

@@ -75,11 +75,7 @@
 					zoom: {
 						enabled: true,
 						mode: 'x',
-						sensitivity: 3,
-						limits: {
-							max: 10,
-							min: 0.5
-						}
+						sensitivity: 3
 					},
 					scales: {
 						xAxes: [{

samples/zoom-bar.html

@@ -74,11 +74,7 @@
 					},
 					zoom: {
 						enabled: true,
-						mode: 'y',
-						limits: {
-							max: 10,
-							min: 0.5
-						}
+						mode: 'y'
 					},
 					scales: {
 						xAxes: [{

samples/zoom-log.html

@@ -178,22 +178,13 @@
 				pan: {
 					enabled: true,
 					mode: 'xy',
-					limits: {
-						xmin: 1e-4,
-						ymin: -50,
-						ymax: 10
-					},
 					xScale0: {
 						max: 1e4
 					}
 				},
 				zoom: {
 					enabled: true,
-					mode: 'xy',
-					limits: {
-						max: 10,
-						min: 0.5
-					}
+					mode: 'xy'
 				}
 			}
 		});

samples/zoom-time.html

@@ -107,11 +107,7 @@
 				zoom: {
 					enabled: true,
 					drag: true,
-					mode: 'x',
-					limits: {
-						max: 10,
-						min: 0.5
-					}
+					mode: 'x'
 				}
 			}
 		};

samples/zoom.html

@@ -133,11 +133,7 @@
 					},
 					zoom: {
 						enabled: true,
-						mode: 'xy',
-						limits: {
-							max: 10,
-							min: 0.5
-						}
+						mode: 'xy'
 					},
 					onClick: function(e) {
 						// eslint-disable-next-line no-alert