Added a section on the BCrypt password encoder.
A cookbook article on how to test forms
Remove --dev, replace AbstractType by FormTypeInterface
Add missing semicolon
Moving the documentation of the ProgressHelper into it's own document
Documenting the DialogHelper select method.
Added some xml formats
Updating description of the DialogHelper select method
Reworking the documentation on the DialogHelper select method
Bugfixing a wording in the ProgressHelper
[Component][Finder] Documented wildcard (glob pattern) support.
Added missing PHP and XML formats in new constraints
[Component][Finder] Documented potential pitfalls when using iterator_to_array() with Finder.
Add hint to configure document root
Change 'note' to 'tip' block
Adding versionadd for disabled and read_only form options
Adding inherited options for all form types
Minor changes regarding the hidden form type and form type option disabled
Adding a link to the disabled options to the read_only description
Fixed Typo in Setting up permissions

Signed-off-by: Manuel Reinhard <manu@sprain.ch>
Documenting how we should use the versionadded tag - see https://groups.google.com/forum/#!msg/symfony-devs/-6HAQgAB2LY/uBSx8uYJQdQJ
askAndConfirm should return user's input to properly work.