update version to 1.0.49

Author: oldrev

GeographicLib/Directory.Build.props

@@ -4,7 +4,7 @@
     <PackageId>Sandwych.GeographicLib</PackageId>
     <Title>This is an attempt to port the Java version of GeographicLib to C#.</Title>
     <PackageTags>geographic;gis</PackageTags>
-    <VersionPrefix>1.0.2</VersionPrefix>
+    <VersionPrefix>1.0.49</VersionPrefix>
   </PropertyGroup>
 
   <Import Project="../Shared.props" />

appveyor.yml

@@ -13,7 +13,6 @@ build_script:
   - dotnet pack -c Release .\GeographicLib\Sandwych.GeographicLib.csproj
 test_script:
   - dotnet test .\GeographicLib.Tests\Sandwych.GeographicLib.Tests.csproj
-
 artifacts:
   - path: '.\GeographicLib\**\*.nupkg'
 deploy: