added composer.json
Merge pull request #12 from FriendsOfSymfony/composer.json

add composer.json for PHP projects including this as a package. Metadata that explains the requirements for our SDK.
add .travis.yml for CI
Added support for extended access tokens.
Fix case where server has IPv6 configured, but does not have Global
IPv6 connectivity.
Merge pull request #28 from psaab/master

Fallback to IPv6 when there's no Global Scope IPv6 connectivity
Fixes spacing issues.
Fix failing unit test
Add support for using the hostname from HTTP_X_FORWARDED_HOST
some sanity tests for FacebookApiException
ignore code coverage output generated during test runs
allow CURLE_COULDNT_CONNECT as the expected error in testCurlFailure
some more exception sanity tests
line things up
test for access token using code from signed request
test valid signed request without auth info will trigger clearing data
test invalid/expired code will trigger clear data
test valid and invalid code
test get user clears data if signed request doesnt contain auth info
test invalid/expired access tokens clear data