Bumped version to 3.7.6

SDWebImage.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name = 'SDWebImage'
-  s.version = '3.7.5'
+  s.version = '3.7.6'
   s.ios.deployment_target = '5.0'
   s.tvos.deployment_target = '9.0'
   s.license = 'MIT'

WebImage/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.7.5</string>
+	<string>3.7.6</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>