Minor mods to the down+right walker
update
gitignore
Rename NOC_1_1folder
deleted old comment
Adding more examples from Chapter 1
Adding new examples from chapter 2
Adding example meta tag
Adding new examples from chapter 2
Updating folder name for 3D example
updated name for 3D example
New example from chapter 3
Motion example from Chapter 1
modified file name
NOC_3_02 not currently working.
Deleted files
Pointing Velocity example working as expected
Polar to cartesian
Not working currently.
new examples from chapter 3