Added section documentation

Cf. #154
Merge pull request #173 from blaugueux/patch-1

Added section documentation
Added http basic authentication and custom api endpoint.

Fixed test
Merge pull request #172 from blaugueux/http-basic

Added support for HTTP Basic authentication and custom api endpoint.
Added support for host parameter
Merge pull request #174 from blaugueux/new-host

Added support for host parameter
Default MOTD should be empty
Fixed configuration
Fix: BC with symfony 2.1

Commit #5cc7cf212d break compatibility with Symfony 2.1 (or lower),
because only in 2.2 added host support in routing.
Merge pull request #176 from iniweb/master

Fix: BC with symfony 2.1
Moving annotation extraction into tagged Handlers
Merge pull request #175 from blaugueux/patch-1

Fixed configuration
implementing all stof comments :)
Added support for deprecated phpdoc tag
Added test case
Fix route
Merge pull request #180 from lightglitch/deprecated

Added support for deprecated phpdoc tag
[ExtractorHandler] cleaning code
[ExtractorHandler] code cleaning
Merge pull request #177 from fvilpoix/annotation_handlers

Moving annotation extraction into tagged Handlers