compress.py has moved (in webapp)

Summary: Will check this in right after D4706

Test Plan: Fingers crossed.

Reviewers: desmond

CC: alpert

Differential Revision: http://phabricator.khanacademy.org/D4728
Merge branch 'master' of github.com:Khan/khan-exercises
compress.py has moved (in webapp)

Summary: Will check this in right after D4706

Test Plan: Fingers crossed.

Reviewers: desmond

Reviewed By: desmond

CC: alpert

Differential Revision: http://phabricator.khanacademy.org/D4728