photo editor

[erwinkarim]

fix this

major issues

• slow on others than chrome
• allow basic functionally,
• consider to send out to external site like pixlr.com

[erwinkarim]

currently, the editor can

• adjust brightness
• adjust contrast
• crop
• download from browser.

other pending issues

• rotation (easy) and maintaining crop square when doing rotation (hard) and display rotated image when attempt to crop (buggy)
• rotation integrate w/ crop is harder than expected.