Update messages.es.yml

The error is in messages.es.yml where in line 15 there is an extra "h" at the end of the line.
Quick 'n dirty fix for #633. Please let me know if other issues pop up.
Updated Composer.lock for Symfony 2.3.6 and Silex 1.1.1.
First commit of phpquery extension.
Whitespace (newline at end of file)
Added missing method to BaseExtensionInterface
Rudimentary content logging
gitignore .swp
deepdiff bugfix

Do not barf on NULL arguments
Data model for content changelog
Write changelog to database instead of log file
Changelog refactoring
Added content-logging options to default config
Provide links to users and content in dashboard and latest-entries sidebar
This should display the last content modifications based on changelog, but doesn't
Displaying recent changes based on changelog now working
Limit changelog aside to current entry in editcontent

When editing an individual content item, the changelog-based history
sidebar only displays changes to the current item.
Rudimentary changelog overview
WIP
404 for invalid changelog entry ID