Bumped version to 2.5.0
Bumped version to 2.5.0

scottmeyer/braintree_dotnet,ronin1/braintree_dotnet,ronin1/braintree_dotnet,braintree/braintree_dotnet,ronin1/braintree_dotnet,scottmeyer/braintree_dotnet,scottmeyer/braintree_dotnet,scottmeyer/braintree_dotnet,braintree/braintree_dotnet