Edit 'tools' projects (#1220)

* Edit 'tools' projects

* Rename projects and fix linking

docs/projects/analog-pin-tester.md

@@ -1,6 +1,6 @@
-# Analog Pin Calibrator
+# Analog Pin Tester
 
-Use this program to graph the analog value on pin ``P0``.
+Use this program to graph the analog values that are read from pin ``P0``.
 Press ``A`` to scroll the value on the screen.
 
 ```blocks

docs/projects/light-level-meter.md

@@ -1,4 +1,4 @@
-# Light level Calibrator
+# Light Level Meter
 
 Use this program to graph the light level.
 Press ``A`` to scroll the value on the screen.

docs/projects/tools.md

@@ -4,16 +4,16 @@
 
 ```codecard
 [{
-  "name": "Light Level Calibrator",
-  "description": "Calibrate light input",
-  "url": "/projects/light-level-calibrator",
-  "imageUrl": "/static/mb/projects/light-level-calibrator.png",
+  "name": "Light Level Meter",
+  "description": "Measure light input",
+  "url": "/projects/light-level-meter",
+  "imageUrl": "/static/mb/projects/light-level-meter.png",
   "cardType": "side"
 }, {
-  "name": "Analog Pin Calibrator",
-  "description": "Calibrate analog input",
-  "url": "/projects/analog-pin-calibrator",
-  "imageUrl": "/static/mb/projects/analog-pin-calibrator.png",
+  "name": "Analog Pin Tester",
+  "description": "Test analog input",
+  "url": "/projects/analog-pin-tester",
+  "imageUrl": "/static/mb/projects/analog-pin-tester.png",
   "cardType": "side"
 }, {
   "name": "Servo Calibrator",