Async Image Setting (#10)

* Install KingFisher & .swiftlint.yml update

* Update Travis.yml

* Update Travis File and README

* Update README

* Update badge

* Setup ImageDownload Manager & ImageCache Manager by using KingFisher

* 1. Support Async Image Download and Rendering
2. Support Background Setting from remote url and local url

* 1. Modify ViewController based on change
2. Update Project Settings and Configuration

.swiftlint.yml

@@ -0,0 +1,33 @@
+function_parameter_count:
+  - 7 # warning
+  - 8 # error
+
+line_length:
+  - 200 # warning
+  - 300 # error
+
+force_cast: warning # implicitly. String! -> warning
+force_try:
+  severity: warning # explicitly. try! -> warning
+
+function_body_length:
+  - 100 # warning
+  - 200 # error
+
+type_body_length:
+  - 300 # warning
+  - 400 # error
+
+# or they can set both explicitly
+file_length:
+  warning: 500
+  error: 800
+
+type_name:
+  min_length: 4 # only warning
+  max_length: # warning and error
+    warning: 30
+    error: 35
+
+excluded:
+  - Pods

.travis.yml

@@ -11,4 +11,7 @@ before_install:
   - brew update
 
 script:
-- xcodebuild -project THTiledImageView.xcodeproj -scheme THTiledImageView -sdk iphonesimulator ONLY_ACTIVE_ARCH=NO
+- xcodebuild -workspace THTiledImageView.xcworkspace -scheme THTiledImageView -sdk iphonesimulator ONLY_ACTIVE_ARCH=NO
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

Podfile

@@ -0,0 +1,10 @@
+# Uncomment the next line to define a global platform for your project
+# platform :ios, '9.0'
+
+target 'THTiledImageView' do
+  # Comment the next line if you're not using Swift and don't want to use dynamic frameworks
+  use_frameworks!
+
+  # Pods for THTiledImageView
+  pod 'Kingfisher'
+end

Podfile.lock

@@ -0,0 +1,12 @@
+PODS:
+  - Kingfisher (4.6.1)
+
+DEPENDENCIES:
+  - Kingfisher
+
+SPEC CHECKSUMS:
+  Kingfisher: 1f9157d9c02b380cbd0b7cc890161195164eb634
+
+PODFILE CHECKSUM: 1accd008b42fd1b7e97e25a678393b82cafcb51b
+
+COCOAPODS: 1.3.1