Merge pull request #1 from FriendsOfSymfony/master

Back in changes of original source
Improved links

- Replaced all long ugly links.
- Added additional links where necessary.
Merge pull request #688 from slavafomin/patch-1

Improved links
Merge branch 'master' of https://github.com/SimonSimCity/FOSRestBundle
Return 415 on unsupported format in request-body
Merge branch 'master' into patch-2
Merge pull request #657 from SimonSimCity/patch-2

Return 415 on unsupported format in request-body
Fixed bug with overridden serialization context (Annotations must be overridden if a view is returned)
Update index.md
Merge pull request #698 from asarturas/patch-1

Update index.md
Update ParamFetcher to handle UTF8 requirements

Added the 'u' modifier to the regex in cleanParamWithRequirements() so that parameters with UTF8 content will work with the regex.

Fixes #696
be less strict on jsonpvalidator version to be compatible with FOSJsRoutingBundle
Merge pull request #703 from uwej711/fix-dependency

be less strict on jsonpcallbackvalidator version to be compatible with FOSJsRout...
Merge pull request #702 from AntonStoeckl/param-fetcher-regex-utf8

Update ParamFetcher to handle UTF8 requirements
Allowed Constraint to be used on the requirements option on QueryParams and RequestParams
Merge pull request #700 from ClementGautier/feat-validator

[RFC] Added the constraint option on the ParamFetcher
Updat last stable version in the install instructions
Merge pull request #704 from matheo/patch-1

Update last stable version in the install instructions
ensure that building with the Symfony 2.5 dev dependency succeeds
Final links to continue to the Step 7