Aldryn-installer

- Fix createsuperuser command

- Remove flash plugin from installed plugins
- Add `--verbose` option to improve debug
- Fix unicode errors
- Improve documentation

- Improve text editor plugin version selection
- Improve admin style version selection

- Add support for django CMS 3.2
- Add support for apphook reload middleware
- Add viewport meta tag for mobile devices support

- Add option to not install plugins
- Add Python 3.5 to build matrix
- Add argument to pass options to pip
- Fix support for custom user models
- Dump requirements file in the created project
- Improve documentation

- Options can now be provided via an ini file for easy scripting
- Better migration modules discovery strategy
- Minor fixes