added links for materials
created scope file to describe scope and hoisting
three types of execution context
added initial scope in the code
text about execution context
Merge branch 'master' of https://github.com/khan4019/thatJsDude
added execution context example for closure
Fixed copy paste error
aha...silly
added some steps for execution context
added some garbage text
added new file for closure
updated title
added a new file
created scope hoist
final rename of scope file
added old image of closure
removed old example
renamed two image
added some references to add