Upgrade to .Net Framework version 4.5

EPPlus/EPPlus.csproj

diff --git a/EPPlus/EPPlus.csproj b/EPPlus/EPPlus.csproj
index fc62317..3cec524 100644
--- a/EPPlus/EPPlus.csproj
+++ b/EPPlus/EPPlus.csproj
@@ -25,7 +25,7 @@
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
     <OldToolsVersion>3.5</OldToolsVersion>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>
@@ -41,7 +41,8 @@
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
-    <TargetFrameworkProfile>Client</TargetFrameworkProfile>
+    <TargetFrameworkProfile>
+    </TargetFrameworkProfile>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>

EPPlusTest/EPPlusTest.csproj

diff --git a/EPPlusTest/EPPlusTest.csproj b/EPPlusTest/EPPlusTest.csproj
index af3d139..046e2db 100644
--- a/EPPlusTest/EPPlusTest.csproj
+++ b/EPPlusTest/EPPlusTest.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>EPPlusTest</RootNamespace>
     <AssemblyName>EPPlusTest</AssemblyName>
-    <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <FileUpgradeFlags>

EPPlusTest/Properties/Resources.Designer.cs

diff --git a/EPPlusTest/Properties/Resources.Designer.cs b/EPPlusTest/Properties/Resources.Designer.cs
index 7bf9361..d1cdd7b 100644
--- a/EPPlusTest/Properties/Resources.Designer.cs
+++ b/EPPlusTest/Properties/Resources.Designer.cs
@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.18444
+//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.