simplified the readme
added examples for using node.js
simpliefied examples in chap 2
added example of how global variables work in node
removed unused file
added examples of how to create a class with methods using node
added explanation of certain files
removed back up files
formatted header to be shorter
added explanation of remaining files
added new example of how to create a node module
removed examples in old folder
adding new flight module
removed unnecessary files
added setter methods
removed unnecessary files
added getter methods
moved node to new folder
removed unnecessary files
added example of how to use node module