enabled user to toggle grid units by clicking on them
Merge branch 'master' of https://github.com/cpkenn09y/ConwaysGameOfLifeJS into visualize
refactored ConwayView and enabled width/height to go up to 100

* decrease font size when width is above 30
* place an empty string within td when above 50
* made attachClassToTd method more efficient
improve visual layout of the welcoming screen
change the color of ON cells every generation
significantly improved overall user experience

* created a color scheme and improved overall CSS
* added hover states titles
* added tips #1 and #2
Merge pull request #2 from cpkenn09y/visualize

improved overall layout and user experience