Replace boost::bind with C++11 lambdas

Change-Id: I13c500d085e6b8e80b2c067139db4ed0fffb2c71
Reviewed-on: https://gerrit.libreoffice.org/19299Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>