Added option to disable news popup #628
Improved functionality for #628. No longer get a flood of news on re-enabling and handles gifts.
Make sure that the news is locked before I read it. (really??) #628
Merge pull request #629 from callumlinden/feature628_try2

Added option to disable news popup #628
port to wxGTK 2.9.5 first try
static/wx_controls: base class of gcButton should be wxButton on Linux

this will fix our red dot problem on wxWidgets-2.9.5.
It also cleans up much of the wxButton code.