BUG: options weren't being passed

Jobs are running again, fixes #225
it is necessary, get the following without it

```python
    Traceback (most recent call last):
      File "/Users/mcdonadt/lib/python2.7/site-packages/tornado-3.0.1-py2.7.egg/tornado/web.py", line 1055, in _stack_context_handle_exception
        raise_exc_info((type, value, traceback))
      File "/Users/mcdonadt/lib/python2.7/site-packages/tornado-3.0.1-py2.7.egg/tornado/web.py", line 1178, in wrapper
        result = method(self, *args, **kwargs)
      File "/Users/mcdonadt/ResearchWork/software/qiita/qiita_pet/handlers/analysis_handlers.py", line 281, in post
        run_analysis(user, analysis)
      File "/Users/mcdonadt/ResearchWork/software/qiita/qiita_ware/run.py", line 34, in run_analysis
        options = job.options
      File "/Users/mcdonadt/ResearchWork/software/qiita/qiita_db/job.py", line 290, in options
        opts = loads(conn_handler.execute_fetchone(sql, (self._id, ))[0])
      File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 326, in loads
        return _default_decoder.decode(s)
      File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py", line 366, in decode
        obj, end = self.raw_decode(s, idx=_w(s, 0).end())
    TypeError: expected string or buffer
```