#3d reconstruction

• The library main changes OpenMVG and libmv two libraries, mainly for the reconstruction of a multi-view geometry.
• How to build the library reference MRPT.
• Inside multi-thread code reference OSG.
• Another part of the design reference OpenCV and PCL.
• At present the entire library simply modify the OpenMVG and libmv , the purpose is to learn and understand the library about algorithms and design. When finishing graduate school, I do not have much time to modify it. If you like it ,I hope we can modify it.