Don't modify the n_answers attribute when calling pct_status
Fix
Remove old info['n_answers']
Don't use old style n_answers in tests
Merge pull request #873 from PyBossa/issue-error-tasks-browse

Issue error tasks browse
Update default theme
Add alembic migration script for n_answers
Merge branch 'master' into issue-874-n_answers

* master:
  Fix
  Don't modify the n_answers attribute when calling pct_status

Conflicts:
	pybossa/model/task.py
Merge pull request #875 from PyBossa/issue-874-n_answers

Issue 874 n answers
Update default theme submodule
Delete old unsued original Bossa SQL schemas. Closes #870
Merge pull request #876 from PyBossa/issue-870-legacy-SQL-schemas

Delete old unsued original Bossa SQL schemas
Merge branch 'master' into issue-repositories

* master:
  Delete old unsued original Bossa SQL schemas. Closes #870
  Update default theme submodule
  Add alembic migration script for n_answers
  Update default theme
  Don't use old style n_answers in tests
  Remove old info['n_answers']
  Fix
  Don't modify the n_answers attribute when calling pct_status

Conflicts:
	test/test_web.py