[BUG] Paginate tickets queries

:bug:

Paginate ticket queries to handle users with more than 100 requested tickets.

![screen shot 2013-12-18 at 14 52 21](https://f.cloud.github.com/assets/172804/1773594/d69ea9bc-67eb-11e3-8af2-bfcab6c91779.png)


/cc @maximeprades