add Galois orbit for Dirichlet characters

only for primitive character, computed directly on Conrey labels
Add motivic weight to gaga box
Merge branch 'master' of git://github.com/LMFDB/lmfdb
Merge pull request #4 from pascalmolin/master

Galois orbit added on Dirichlet character page
Merge pull request #5 from lemurell/master

Adding motivic weight to lady gaga box of L-functions.
Merge branch 'master' of github.com:LMFDB/lmfdb

* 'master' of github.com:LMFDB/lmfdb:
  Add motivic weight to gaga box
  add Galois orbit for Dirichlet characters