Fixing hint gradient, adding feature keywords, fixing input box

client/grapher.js

@@ -47,9 +47,9 @@ function Column(canvas, name, params, scale, range, bounds) {
 
             this.hintRect.setGradient('fill', {
                 x1:         0.0,
-                y1:         -this.hintRect.height / 2,
+                y1:         0.0,
                 x2:         0.0,
-                y2:         this.hintRect.height / 2,
+                y2:         this.hintRect.height,
                 colorStops: this.decimateHints(this.steps, this.scale)
             });
 

client/index.html

@@ -27,7 +27,7 @@
                     <div class="form-group">
                         <label for="minScore" class="col-md-2 control-label">Minimum score</label>
                         <div class="col-md-10">
-                            <input type="number" class="form-control" value="1.0" id="minScore" name="minScore">
+                            <input type="text" class="form-control" value="1.0" id="minScore" name="minScore">
                         </div>
                     </div>
                     <div class="form-group">

server/db/keywords.json

@@ -1,4 +1,16 @@
 {
+    "food": {
+        "food": 1.0
+    },
+    "service": {
+        "service": 1.0
+    },
+    "value": {
+        "value": 1.0
+    },
+    "atmosphere": {
+        "atmosphere": 1.0
+    },
     "hole in the wall": {
         "food":       0.82,
         "service":    0.10,