add support for plural forms
update README about Gettext multi-plural support
split lines over 120 characters to appease Travis
fix code formatting in Gettext adapter
remove unnecessary whitespace in Gettext adapter
Merge pull request #136 from rlaffers/master

Multiple plural forms for Gettext
Merge pull request #138 from endeveit/master

Updated cache backends to use them with Phalcon 1.3