added rudimentary admin pages, started testing validation code

data/models/exercise.js

@@ -1,5 +1,5 @@
 var mongoose = require('mongoose');
-var ExerciseSchema = require('../schemas/exerise');
+var ExerciseSchema = require('../schemas/exercise');
 
 var Exercise = mongoose.model('Exercise', ExerciseSchema);
 

data/schemas/exercise.js

@@ -13,8 +13,8 @@ var exerciseSchema = new Schema({
   difficulty: Number,
   musclearray: [Number],
   keywords: [String],
-  alternatives: [ids],
+  alternatives: [String],
   datafields: [Datafield]
 });
 
-module.exports = workoutSchema;
+module.exports = exerciseSchema;