Merged in feature/datasets (pull request #395)
Modernized reading of 3D pose graphs and wrapped a new function
Test existing readG2o
Use c+11 initializer lists
Working parseG2o3D
Split parsing and moved to dataset.*
Wrapped parse3DFactors
Modernized reading of 3D pose graphs and wrapped a new function
Test existing readG2o
Use c+11 initializer lists
Working parseG2o3D
Split parsing and moved to dataset.*
Wrapped parse3DFactors