New version of 3D builder.
Adding Texels Inventation
etc.
Modified and fixed bugs by Fang Zhou
Merge commit 'd111a2c0a6d2ab7d3f709cc0e254abe47c2ec545' into 3Dbuilder
Output as Mesh
Tester for FangZhou&Zhou Bin's integration.
3D Builder:
1. Unit tests done for all function except the BuildCylinder
2. Unit test functions in "ModelBuilder_Tester"
In Polygon.py:
1. Change "VertexList", "TexelList" to "Vertex", "Texel" respectively
In Polygon.py:
1. Change "VertexList, TexelList" to "Vertex, Texel"
In ModelBuilder.py:
1. finish BuildCylinder's texel creation for top/btm circle and side surface
refactored some codes
Merge branch '3Dbuilder' of https://github.com/WuPei/cv_reconstructer into 3Dbuilder
Merge branch '3Dbuilder' into develop