Documentation fixes.

Author: kzaher

Documentation/Traits.md

@@ -65,7 +65,7 @@ A simple example would look like this:
 
 ```swift
 func getRepo(_ repo: String) -> Single<[String: Any]> {
-    return Single.create { single in
+    return Single<[String: Any]>.create { single in
         let task = URLSession.shared.dataTask(with: URL(string: "https://api.github.com/repos/\(repo)")!) { data, _, error in
             if let error = error {
                 single(.error(error))
@@ -195,7 +195,7 @@ Creating a Maybe is similar to creating an Observable. A simple example would lo
 
 ```swift
 func generateString() -> Maybe<String> {
-    return Maybe.create { maybe in
+    return Maybe<String>.create { maybe in
         maybe(.success("RxSwift"))
 
         // OR

Documentation/Why.md

@@ -7,15 +7,15 @@
 ```swift
 Observable.combineLatest(firstName.rx.text, lastName.rx.text) { $0 + " " + $1 }
     .map { "Greetings, \($0)" }
-    .bindTo(greetingLabel.rx.text)
+    .bind(to: greetingLabel.rx.text)
 ```
 
 This also works with `UITableView`s and `UICollectionView`s.
 
 ```swift
 viewModel
     .rows
-    .bindTo(resultsTableView.rx.items(cellIdentifier: "WikipediaSearchCell", cellType: WikipediaSearchCell.self)) { (_, viewModel, cell) in
+    .bind(to: resultsTableView.rx.items(cellIdentifier: "WikipediaSearchCell", cellType: WikipediaSearchCell.self)) { (_, viewModel, cell) in
         cell.title = viewModel.title
         cell.url = viewModel.url
     }
@@ -61,7 +61,7 @@ public func scrollViewDidScroll(scrollView: UIScrollView) { [weak self] // what
 self.resultsTableView
     .rx.contentOffset
     .map { $0.x }
-    .bindTo(self.leftPositionConstraint.rx.constant)
+    .bind(to: self.leftPositionConstraint.rx.constant)
 ```
 
 ### KVO