Make SkipCache simply switch the request to skip the cache
Fix creation of LruCache on Android
Use var instead of explicitly specifying ActivityManager
Increase iOS memory cache to 10MB from 10KB
Add image to memory cache in the bitmap hunter rather than the dispatcher on iOS
Updated the IDownloader interface to request only using the locally cached files
Changed WebClientDownloader to WebRequestDownloader and update to comply with the new IDownloader interface
Created NSUrlDownloader for iOS to replace WebRequestDownloader
Merge branch 'master' into disk_cache

Conflicts:
	MonoDroid/Examples/BasicExample/MainActivity.cs
	MonoDroid/PicassoSharp/AndroidUtils.cs
	MonoDroid/PicassoSharp/NetworkBitmapHunter.cs
	MonoDroid/PicassoSharp/Picasso.cs
	MonoDroid/PicassoSharp/RequestCreator.cs
	MonoTouch/PicassoSharp/BitmapHunter.cs
	MonoTouch/PicassoSharp/IOSUtils.cs
	MonoTouch/PicassoSharp/NetworkBitmapHunter.cs
	MonoTouch/PicassoSharp/RequestCreator.cs