Fixed binding sample (#350)

* Update XMBindingLibrarySample.csproj

* Delete .gitignore

* added `AllowUnsafeBlocks` to library

BindingSample/XMBindingLibrary/XMBindingLibrary.csproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -11,6 +11,7 @@
     <RootNamespace>XMBindingLibrary</RootNamespace>
     <AssemblyName>XMBindingLibrary</AssemblyName>
     <IPhoneResourcePrefix>Resources</IPhoneResourcePrefix>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>

BindingSample/XMBindingLibrarySample/.gitignore

@@ -1,2 +0,0 @@
-bin/
-obj/