Tidy up whitespace

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Add simple_graph_alg.cpp in ogdf.vcxproj.filters

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Upgrade projects to MSVC 2013 v120_xp toolset

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Deploy MSVC 2013 runtime DLLs

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>