Remove support for obsolete Qt versions
authorManuel Nickschas <sputnick@quassel-irc.org>
Fri, 6 Feb 2015 21:30:44 +0000 (22:30 +0100)
committerManuel Nickschas <sputnick@quassel-irc.org>
Fri, 6 Feb 2015 21:30:44 +0000 (22:30 +0100)
Now that we rely on Qt 4.8+, we can get rid of a few workaround that
were in place for older versions.


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