Merge commit '0a281aaf7c3862206e30fa8e724ba287ff15f89a'

This update adds capabilities and inputs for:

- 3D steady state
- 2D loss of secondary cooling transient
- 2D loss of flow transient
- 2D control rod ejection transient
- 2D > 2 group calculations

Add moose submodule for conda packaging

Merge commit '09636c3394e73b2af6f09d443c993ac274a61a66'