Aldryn-installer

- Add support for installing aldryn-boilerplate
- Force installing all packages (-I) when creating the project virtualenv
- Fix multiplatform support bugs
- Update supported Django / django CMS versions
- Add preliminary support for django CMS develop (3.1)

- Add support for django nose test runner
- Add default CMS template

- Add support for easy_thumbnails 2.0 migrations
- Fix asking for creating user even when --no-input flag is used
- Unpin reversion as django CMS 3.0.3 solves the issue
- Versioned dependency for django-filer when installing django CMS 2.4
- Switch to official django-filer and cmsplugin-filer releases for CMS 3.0

Pin reversion to 1.8 waiting for a proper fix in django CMS

- Fix error in bootstrap template handling
- Add clarification about custom template set and starting page

- Add dump-requirements argument
- Add user provided extra setting
- Add FAQ section
- Add templates argument
- Documentation update