updated to 1.3.2 php mongo driver
used preinstalled composer in travis
fixed tests autoload
added mongo to travis
added the mongodb service to travis
fixed some tets in php 5.4
commented logger batch insert functions as it differts in different driver versions
updated travis status image
fixed toArray and FromArray in embeddeds to ignore id (fixes #30)
changed to create embeddeds through mandango instead of new (fixes #24)