Merge pull request #6 from lamskoy/master

php-ioncube_loader and php54-ioncube_loader version bump to 4.4.4
Dropped php-amqp
Add package for python-sphinxcontrib-httpdomain
Implemented PKGBUILD for docker.io
Updated nginx-pro to 1.4.4
Updated xtrabackup to versio 2.1.6
Updated dropbox to version 2.4.7
Updated dropbox-experimental to version 2.5.39
Updated git-subtree to version 1.8.4.3
Updated php-yaml to version 1.1.1
Merge pull request #1 from mtorromeo/master

Sync to mtorromeo:master