Initial work on version 3.0
Further work on v3.0

- updated all functions for new app structure
- added saving back in
- added color contrast checking
Save colors by pressing enter
Design changes
More design changes to saved colours
Adding documentation to code

- issue #14
Don't save the color instance to savedColors array

Now saves a new object with the color instances hex and rgb values into
the savedColors array instead of the instance itself. This should solve:
- issue #17
- issue #10
- issue #15
Focus HEX input on load

- issues #13
Added function to combine RGB values from object
Fixed RGB values not saving properly

- issue #18
Checks if color is in saved colors before saving

- issue #19
+ minor design tweaks
Updated readme
Fixed display issues with saved colors

- only show the saved colours bar when there are saved colours (issue
#12)
Center alignd saved colours and added responsive styles
Adjusted height of saved thumbnails
Added ability to clear saved colours

- issue #11
Code cleanup
Fixed a bug with clearing saved colours

- issue #20
Launch of version 3.0
Merge branch 'v3.0'