storyboard and demo code clean up

Author: icanzilb

Example/RxRealm/Base.lproj/Main.storyboard

@@ -6,8 +6,6 @@
     <dependencies>
         <deployment identifier="iOS"/>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11524"/>
-        <capability name="Alignment constraints with different attributes" minToolsVersion="5.1"/>
-        <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
@@ -42,7 +40,7 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="grouped" separatorStyle="default" rowHeight="44" sectionHeaderHeight="18" sectionFooterHeight="18" translatesAutoresizingMaskIntoConstraints="NO" id="qxX-wD-rRB">
-                                <rect key="frame" x="0.0" y="56" width="375" height="611"/>
+                                <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                                 <color key="backgroundColor" cocoaTouchSystemColor="groupTableViewBackgroundColor"/>
                                 <prototypes>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="Cell" textLabel="ijb-6x-RWc" style="IBUITableViewCellStyleDefault" id="v8l-Hj-YG1">
@@ -72,8 +70,8 @@
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="qxX-wD-rRB" firstAttribute="leading" secondItem="ZAV-fX-81n" secondAttribute="leading" id="1aU-PO-R9K"/>
-                            <constraint firstItem="qxX-wD-rRB" firstAttribute="topMargin" secondItem="JJ0-TM-QJn" secondAttribute="bottom" id="AWq-e1-SQZ"/>
                             <constraint firstItem="AIK-tK-GZH" firstAttribute="top" secondItem="qxX-wD-rRB" secondAttribute="bottom" id="F5G-hJ-0eb"/>
+                            <constraint firstItem="qxX-wD-rRB" firstAttribute="top" secondItem="ZAV-fX-81n" secondAttribute="top" id="g6g-na-0Ni"/>
                             <constraint firstAttribute="trailing" secondItem="qxX-wD-rRB" secondAttribute="trailing" id="up0-J9-hv1"/>
                         </constraints>
                     </view>

Example/RxRealm/ViewController.swift

@@ -35,7 +35,13 @@ class ViewController: UIViewController {
         return l
     }()
 
-    var ticker: TickCounter!
+    lazy var ticker: TickCounter = {
+        let ticker = TickCounter()
+        try! self.realm.write {
+            self.realm.add(ticker)
+        }
+        return ticker
+    }()
 
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -73,14 +79,6 @@ class ViewController: UIViewController {
             .bindTo(Realm.rx.add())
             .addDisposableTo(bag)
 
-        /*
-         Create a ticker object
-         */
-        ticker = TickCounter()
-        try! realm.write {
-            realm.add(ticker)
-        }
-
         /*
          Bind bar item to increasing the ticker
          */
@@ -96,9 +94,9 @@ class ViewController: UIViewController {
          Observing a single object
          */
         Observable.from(ticker)
-            .map({ (ticker) -> String in
+            .map{ (ticker) -> String in
                 return "\(ticker.ticks) ticks"
-            })
+            }
             .bindTo(footer.rx.text)
             .addDisposableTo(bag)
     }
@@ -116,6 +114,10 @@ extension ViewController: UITableViewDataSource {
         cell.textLabel?.text = formatter.string(from: Date(timeIntervalSinceReferenceDate: lap.time))
         return cell
     }
+
+    func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+        return "Delete objects by tapping them, add ticks to trigger a footer update"
+    }
 }
 
 extension ViewController: UITableViewDelegate {