EC ODP review and server setup

[johnglover]

• code review with D.R. for ckanext-ecportal
• merge and test all multilingual code
• fix server issues: routing, Git access to CKAN repository

Bugs to fix:

• rename groups to publishers
• update home page layout (recent updates along side publishers)
• don't add 'en' to main menu links if english
• resource edit page, fix missing images
• change dataset 'settings' to 'edit'
• translate 'published by' drop-down list
• fix JS on 'add a dataset page'
• prepopulate 'published_by' when clicking 'add a dataset' from group
• chosen broken (dataset edit) if in different language [Cannot reproduce this]