Fixing import bugs
Merge pull request #2 from lemurell/master

Fixed imports in main.
littelmann: ajax demo callback works
import fix for users
first demo of littelmann path plotting with a slider
Merge branch 'master' of github.com:LMFDB/lmfdb into anne

* 'master' of github.com:LMFDB/lmfdb:
  import fix for users
  Fixing import bugs
Added Endomorphism rings and CM to elliptic curve home pages (with knowls)
Merge branch 'master' of git://github.com/LMFDB/lmfdb
littelmann paths depend on crystal now
littlemann path: recentering
knowl prefix for littelmann path
inserted crystal latex picture