Merge pull request #17 from gopher-snakes-2013/merging-stroke-master

User is now able to clear command logs from the textbox, refactored command.js
add timer function to test runtime of specific functions
undo works for all variations of actions using an array of commands to recreate the drawing (minus the last command)
Merge pull request #18 from gopher-snakes-2013/add-timer-function

add timer function to test runtime of specific functions
Merge pull request #19 from gopher-snakes-2013/change-undo-to-use-array-of-commands

Change undo to use array of commands
fix commandLog bug
user is able to type "save" to store their drawn images onto imgur. also fixed commandlog.js
merged imgur branch with master
Merge pull request #20 from gopher-snakes-2013/merge-imgur-master

User is now able to save their drawings by typing 'save' which leads to it being uploaded to imgur
user is able to see a dashboard that is dynamically updated whenever user changes brush colors or widths