added addtional attribute to pass tests and modify gitignore

.gitignore

@@ -1,6 +1,7 @@
 *.stamp
 bin
 obj
+.vs
 Newtonsoft.Json.*
 NUnit.*
 Xamarin.UITest*

InfColorPicker/InfColorPickerBinding/InfColorPickerBinding/InfColorPickerBinding.csproj

@@ -9,6 +9,7 @@
     <RootNamespace>InfColorPicker</RootNamespace>
     <IPhoneResourcePrefix>Resources</IPhoneResourcePrefix>
     <AssemblyName>InfColorPickerBinding</AssemblyName>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>