isModuleInstalled added to BackendModel
Changed name to isInstalledModule()

Conform functions like BackendAuthentication::isAllowedModule() and
isAllowedAction().
Removed BackendExtensionsModel::isModuleInstalled()
Replaced BackendExtensionsModel::isModuleInstalled() by BackendModel::isInstalledModule()
renamed isInstalledModule to isModuleInstalled
Profiles: avatar allowed to upload
Remove deprecated function
fixed login sql error on wrong email
Location widget address fixed
email module now supports live.com via encrypted protocol SSL/TLS
updated code after feedback
update html5 shiv
deleteThumbnails function added
dont ignore vendors, not everybody knows how to work with composer
better composer message
beter message
Upgrade to Spoon 1.3.7.
Use Spoon config setters so the debug level is set.

Fixes #413.
Resolve conflicts.
Upgrade Symfony components to 2.2.