The Great API Renaming.

Renaming and reworking of all externally faceing APIs and some internally facing
APIs to match the API guidlines. See issue #96 for full details on the
exact changes.

Resolves #96

Source/CouchDatabaseOperation.swift

@@ -25,5 +25,5 @@ public protocol CouchDatabaseOperation: CouchOperation {
     /**
         The name of the database that the operation will be operating on.
     */
-//    var databaseName: String { get set } //FIXME bring back once all the conversions are done.
+    var databaseName: String { get }
 }

Source/CreateDatabaseOperation.swift

@@ -19,23 +19,25 @@ import Foundation
 /**
  An operation to create a database in a CouchDB instance.
  */
-public class CreateDatabaseOperation: CouchOperation, JsonOperation {
+public class CreateDatabaseOperation: CouchOperation, JSONOperation {
 
     /**
      Creates the operation.
      
      - parameter name: The name of the database this operation will create.
+     - parameter completionHandler: optional handler to call when the operation completes.
     */
-    public init(name: String) {
+    public init(name: String, completionHandler: ((response: [String : AnyObject]?, httpInfo: HTTPInfo?, error: ErrorProtocol?) -> Void)? = nil) {
         self.name = name
+        self.completionHandler = completionHandler
     }
 
-    public var completionHandler: ((response: [String : AnyObject]?, httpInfo: HTTPInfo?, error: ErrorProtocol?) -> Void)?
+    public let completionHandler: ((response: [String : AnyObject]?, httpInfo: HTTPInfo?, error: ErrorProtocol?) -> Void)?
 
     /**
      The name of the database to create.
      */
-    public var name: String
+    public let name: String
 
      public var method: String {
         get {
@@ -45,7 +47,6 @@ public class CreateDatabaseOperation: CouchOperation, JsonOperation {
 
     public var endpoint: String {
         get {
-            // Safe to force unwrap, validation would fail if this is nil
             return "/\(self.name)"
         }
     }