Merge tag '0.5.2' into develop

0.5.2
removed FQN from processResponse
array initialization in Privileges.php
array initialization in DeployKeys.php
array initialization in Users/OAuth.php
array initialization in Users/SshKeys.php
Merge branch 'feature/code-clean-arr' into develop
Lowered complexity of Http\Client::request .

@todo[gtl]: Lower complexity of Http\Client class.
removed Bitdeli Badge from README
Fixes #22

Grant new privilege endpoint accepts privilege as a string, not an array.

- Updated tests
now loads correct class.
branch-restrictions.md edited online with Bitbucket
Docs: Typo fix in "branch restrictions.md"

Merged in keen-thomas/bitbucket-api/keen-thomas/now-loads-correct-class-branchrestrictio-1409663244718 (pull request #18)
added CHANGELOG
updated composer.json: added conflict section
updated vendors: kriswallsmith/buzz , phpunit/phpunit , satooshi/php-coveralls
docblock & cs fix in GroupPrivileges
docblock fix in Groups
docblock fix in Invitations
docblock fix in Privileges
docblock fix in User