Fix generate cube sql process
Fix bug encode on fix type
Set unicode on querie sql on bin mining
fix api cache
update pandas version
Merge branch 'master' of github.com:avelino/mining

* 'master' of github.com:avelino/mining:
  fix api cache
add cache on travis yml
close #56
Merge branch 'master' of https://github.com/avelino/mining into issue-49

Conflicts:
	api/views.py
refactory api views
Merge branch 'master' into issue-49

Conflicts:
	api/views.py
saving element via angular
fix post api view
Merge branch 'master' into issue-49
fix api cube mining queue
element via angular
dashboard via angularjs