Implement cursor info tip showing image coordinates under the cursor.
Merge changes in master and resolve conflict in brackets.less.
Switch to custom cursor
Adding cursor images from Larz.
Remove the code that I accidently reintroduced when resolving the merge conflict.
Prevent a possible divide-by-zero error and a minor coordinate alignment issue near top left corner of the image.
Merge remote-tracking branch 'origin' into rlim/cursor-info-on-image
New cursor images and minor tweak to cursor-info padding
Temporarily hide scale sticker to show cursor info behind it.
Make some improvements based on the review feedback.
Use table to format the x and y coordinate values as suggested by Larz.
Initialize _scale to 100 for every image load.
Moving the initialization to the top of render function.
Merge remote-tracking branch 'origin' into rlim/cursor-info-on-image

Conflicts:
	src/editor/ImageViewer.js
Merge remote-tracking branch 'origin' into rlim/cursor-info-on-image
Use cross guides instead of crosshair cursor.
Fix some issues with mouse entering/exiting image scale sticker.
Show crosshair cursor if the image is too narrow in width or height.
Adjust the color of guides with alpha value.
Remove the custom cursor files no longer needed.
Remove the unused css rule.
Made some changes for review feedback.