Fixed innacurate expression

"deben" means "it must be" while "deben de" is more like "it seems to be"

http://castellanoactual.com/deber-o-no-deber/
Fix typo in PSR-3-logger-interface.md
Hugging proposal.
Provide proper meta document.
Merge in interface definitions.
Add working group to the meta document.
minor typo fix s/hit/miss
Format line lenght to respect PSR-2
Add title
Create PSR-4-autoloader in Fr
Update PSR-4-autoloader-meta.md
Described the IncomingRequestInterface
Updated IncomingRequestInterface from feedback

Removed:
- setQueryParams() (per discussions on the PR and on-list)
- setIncomingFiles() (per discussions on the PR and on-list)

Added:
- getCookieParams() (per @pmjones on-list)
- getPathParams() (per @pmjones on-list)
- setPathParams() (per @pmjones on-list)
s/getIncomingFiles/getFileParams/

- Both to remove redundancy and for consistency.
Added setProtocolVersion() to MessageInterface

- Per https://groups.google.com/d/msgid/php-fig/cc4e5a30-f87d-4ce6-bbaa-8d86c10959db%40googlegroups.com
Added setCookieParams($cookies) method

- Per https://groups.google.com/d/msgid/php-fig/320aba80-6458-4219-a844-ba8802d6c288%40googlegroups.com
Mark PSR-0 as Deprecated.
Merge branch 'master' of github.com:php-fig/fig-standards into deprecate-psr0
Reverted #304
Initial commit: https://github.com/php-fig/fig-standards/commit/4a46c52986ac9919139259e96fa6487d439e511f
Why? Because @Crell said so!
Mailing list: https://groups.google.com/forum/#!topic/php-fig/sMh4Ei94Uhw
Updated meta document

- Added rationale for the IncomingRequestInterface, including why certain types
  of properties are mutable, and others are not.
- Added information on the "header" debate.