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
added in color setting for blue
changed some display issues with jlabel.
gave the combobox more relevant name and 
moved the search label and textfield to the top right.
Realigned the focus word to have no spaces
Changed the method wpmCalc to accommodate for long variables and implemented it into the wpmComboBox
Added the totalWords variable and implemented it into the setETA method
Added in the setWordCount method and changed the properties of the wordcount and setETA labels to static.
Implemented the setWordCount method setETA into the main and wpmComboBox
Removed borders around the text areas and had it preview the txt file when uploaded
doc file can now be visible and works the way we wanted