Remove intermediary checkpoints, formatting & typos for workbook

...kpoints/1000-IncompressibleSolver-Basics-checkpoint.ipynb

...ynb_checkpoints/1001-FieldConvert-Basics-checkpoint.ipynb

...ns-solver/.ipynb_checkpoints/SessionAndGeo-checkpoint.xml

02-incns-solver/.ipynb_checkpoints/cyl2DGeo-checkpoint.fld

02-incns-solver/.ipynb_checkpoints/cyl2DMesh-checkpoint.xml

...ncns-solver/.ipynb_checkpoints/cyl2DMesh_1-checkpoint.fld

02-incns-solver/.ipynb_checkpoints/cyl3DHMesh-checkpoint.xml

02-incns-solver/.ipynb_checkpoints/cyl3DMesh-checkpoint.xml

...s-solver/.ipynb_checkpoints/cylinder_small-checkpoint.geo

02-incns-solver/.ipynb_checkpoints/points_cyl-checkpoint.pts

02-incns-solver/.ipynb_checkpoints/s2d-checkpoint.xml

02-incns-solver/.ipynb_checkpoints/s2dd-checkpoint.xml

...lver/.ipynb_checkpoints/session2d-Complete-checkpoint.xml

02-incns-solver/.ipynb_checkpoints/session2d-checkpoint.xml

...lver/.ipynb_checkpoints/session3d-Complete-checkpoint.xml

02-incns-solver/.ipynb_checkpoints/session3d-checkpoint.xml

...nb_checkpoints/solver-incns-02-CylFlow2D-checkpoint.ipynb

...oints/solver-incns-02-advancedCylFlow3DH-checkpoint.ipynb

...ynb_checkpoints/tutorial-02-solver-incns-checkpoint.ipynb

...nts/workshop_02_incNS_BAK_AddingTheTasks-checkpoint.ipynb