Ignored all bin and obj directories.
Added NuGet package files.
Merge branch 'master' of https://github.com/onsharp/Cnet.IOS

Conflicts:
	src/Cnet.iOS/bin/iPhoneSimulator/Debug/CnetiOS.exe
	src/Cnet.iOS/bin/iPhoneSimulator/Debug/CnetiOS.exe.mdb
	src/Cnet.iOS/obj/Xcode/9/Cnet.iOS.xcodeproj/project.xcworkspace/xcuserdata/onsharp.xcuserdatad/UserInterfaceState.xcuserstate
	src/Cnet.iOS/obj/Xcode/9/DerivedData/Cnet.iOS/Index/MonoTouch/iphonesimulator7.1-i386/Cnet.iOS.xcindex/db.xcindexdb-shm
	src/Cnet.iOS/obj/Xcode/9/DerivedData/Cnet.iOS/Index/MonoTouch/iphonesimulator7.1-i386/Cnet.iOS.xcindex/db.xcindexdb-wal
	src/Cnet.iOS/obj/Xcode/9/DerivedData/Cnet.iOS/TextIndex/text-index.idx
	src/Cnet.iOS/obj/Xcode/9/Main.storyboard
	src/Cnet.iOS/obj/Xcode/9/OSLoginViewController.h
	src/Cnet.iOS/obj/Xcode/9/OSLoginViewController.m
	src/Cnet.iOS/obj/Xcode/9/OSViewController.m