[#11815] Modify installer, add in registration form, add new registration form functionality
[#11815] Add email validation, remove anon info
[#11815] Code style fixes
[#11815] hide/show registration during install
[#11815] Ensure id is set if submit handler not passed
[#11815] Modify the request to use POST
[#11815] Update form and post handling
[#11815] Adjust module information
Merge pull request #86 from previousnext/11815-installer

11815 installer