Explicitly move all your settings to solution layer. This would create ".DotSettings" file near your "*.sln" file.
Check this ".DotSettings" file into source control.
After that, use "Save to" to save your settings changes to this layer (and select this layer in Live Templates Explorer).
Now every change to settings now automatically propagates to all of your team computers via source control. Read more about this at http://blogs.jetbrains.com/dotnet/tag/resharper-settings/