add parse tree template
modify template slightly
Adding scanner module and word class

Commit includes driver, scanner, and word object class
add parser for CFG 1 from class
Merge branch 'lmbneves' of github.com:jthurst3/LIN110 into hassler
convert indentation to spaces, add utf-8 encoding to word.py file
Merge branch 'master' of github.com:jthurst3/LIN110 into hassler
modify README with instructions on how to use Rails app on OSX
modify README with code wrapper
Merge branch 'master' of https://github.com/jthurst3/LIN110 into hassler
Merge branch 'hassler' of https://github.com/jthurst3/LIN110 into hassler