Squashed commit of the following:

commit 35a9412099174b5ae30164eaa45c2a5d878c62f9
Author: Deok-Hwa Kim <realsanai123@gmail.com>
Date:   Tue Mar 19 22:10:53 2013 +0900

    add include guard and namespace 'dubins' to include/dubins.hpp

commit 0062a481975cc5b16d3c8ab3ea1df8977b482e58
Author: Deok-Hwa Kim <realsanai123@gmail.com>
Date:   Tue Mar 19 21:46:53 2013 +0900

    ignore eclipse

commit 27cfcf464125478ef255beb7a5cf3301dee82395
Author: Deok-Hwa Kim <realsanai123@gmail.com>
Date:   Tue Mar 19 21:26:11 2013 +0900

    Created include/dubins.hpp
Merge git://github.com/kukyakya/dubins