* fixed tools for image editor to be more modular and made cursor an actual cursor change
* fixed eraser cursor positioning
* updated opacity to not have a 100 option
* separated clear into an actions section
* added history support for image editor. ctrl-z and ctrl-y both work now
* removed extra console log debugging stuff
* updated buttons style
* updated the button ui on the main page as requested
* updated with a bunch of bugfixes
