Silver shield tech icon

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13533 3db68df2-c116-0410-a063-a993310a9797
Tweaks to some templates and tech portraits.

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13534 3db68df2-c116-0410-a063-a993310a9797
Changes graphics card name detection on Windows to use OpenGL, as a workaround for certain WMI related crashes on Nvidia Optimus and netbook systems. Fixes #1952, #1575

git-svn-id: http://svn.wildfiregames.com/public/ps/trunk@13536 3db68df2-c116-0410-a063-a993310a9797
Fixing the ping & blink duration
Merge remote-tracking branch 'remotes/trunk'
Merge branch 'master' of https://github.com/0ad/0ad into attack-notification