[fossil] Replaced sfQuickCommand by fossil
[Doc] Created doc command
[DocBundle] Created the doc:bundle command
[Doc] Added installer
[Config] Updated the documentation
[Config] Added copyright and phpdoc
[Doc] Moved composer package argument to doc:bundle
[DocBundle] Made the composer package optionnal
[Doc] Added the copyright years in the LICENSE file
[DocLib] Created the doc:library command
[Doc] Added force overwrite option

The Model reflects the following structure:

* a Bundle is a kind of Library
* a Library is a kind of Project

Commands have been refactored in the same way: arguments and options are
generally shared (subkinds only add some to the inherited kind) and the
execute method is the same.
[Doc] Added output via Monolog
[Config] Moved files in better places
[Doc] Extracted DocumentationWriter
[Doc] Improved output format
[Doc] Fixed library installation doc and script
[DocBundle] Fixed bundle registration instruction
[Doc] Renamed Project to Application
Merge branch 'fossil'