Improve Projection methods
Moved HoppingMatrix to Method, while importing it in Calculation
Added Projection.orbitals_angular_momentum metainfo
New tests for Projection method
Closes #1238 (closed)
Moved HoppingMatrix to Method, while importing it in Calculation
Added Projection.orbitals_angular_momentum metainfo
New tests for Projection method
Closes #1238 (closed)