Enabled pause and play button
Merge pull request #6 from alghanim/master

Enabled pause and play button
added the exiting feature from the file menu
renamed all variables to simplify and make their purpose more pronounced
created a class Utils for the purpose of fileChooser and file filtering
added some wpmCalc method to figure out how long a thread should sleep to simulate wpm reading speed and implemented the file chooser and the ability to read in doc files.
Created myCustomFilter
Switched out html text for focus word to three jlabels
took out some unnecessary code with duplicates
Took out continuous while loop and left the for loop iterator
Fixed case for when there are two letters and added in the wpm feature
Changed the wpm to a ComboBox
Fixed Alinement of the focus word and fixed the cases of the focus word to change previous lettering to blank
Fixed word count and ETA