Update 3 NuGet dependencies

Author: nfbot

source/nanoFramework.System.Net.DELIVERABLES.nuspec

@@ -19,7 +19,7 @@
     </tags>
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.7.3" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.4.2" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.8.0" />
     </dependencies>
   </metadata>
   <files>

source/nanoFramework.System.Net.nuspec

@@ -21,7 +21,7 @@ This package requires a target with nanoFramework..System.Net v$nativeVersion$.<
     <tags>nanoFramework C# csharp netmf netnf nanoFramework.System.Net</tags>
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.7.3" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.4.2" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.8.0" />
       <dependency id="nanoFramework.System.Text" version="1.0.0" />
     </dependencies>
   </metadata>

source/nanoFramework.System.Net/System.Net.nfproj

@@ -42,7 +42,7 @@
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.CoreLibrary.1.7.3\lib\mscorlib.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.4.2\lib\nanoFramework.Runtime.Events.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.8.0\lib\nanoFramework.Runtime.Events.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Text.1.0.0\lib\nanoFramework.System.Text.dll">
@@ -100,11 +100,11 @@
       <HintPath>..\packages\nanoFramework.CoreLibrary.1.7.3\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="nanoFramework.Runtime.Events, Version=1.4.2.3, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.4.2\lib\nanoFramework.Runtime.Events.dll</HintPath>
+    <Reference Include="nanoFramework.Runtime.Events, Version=1.8.0.3, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.8.0\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="nanoFramework.System.Text, Version=1.0.0.2, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+    <Reference Include="nanoFramework.System.Text, Version=1.0.0.3, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Text.1.0.0\lib\nanoFramework.System.Text.dll</HintPath>
       <Private>True</Private>
     </Reference>

source/nanoFramework.System.Net/packages.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.7.2-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.4.2-preview.7" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Text" version="1.0.0-preview.16" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.7.3" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.8.0" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Text" version="1.0.0" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.91" developmentDependency="true" targetFramework="netnanoframework10" />
-</packages>
+</packages>