move vector helpers into OpenVolumeMesh::Geometry namespace

6 jobs for v2beta
Status Job ID Name Coverage
  Test
passed clang-c++11 #5201
Linux

00:02:39

passed clang-c++98 #5203
Linux

00:01:47

passed gcc-c++11 #5200
Linux

00:03:36

passed gcc-c++98 #5202
Linux

00:02:40

passed macos-c++11 #5204
Apple

00:02:21

passed macos-c++98 #5205
Apple

00:01:18