Added Docs and Sync Section

Added section for documents and Sync.  Also added export and summarize
history
Reduce larger images by 25%.
Update pom.xml

Updated versions to release candidates.
Update pom.xml

Version changes.
Update pom.xml

Changed gs-geogit version to a hard release instead of a build number.
Use the ROGUE-JCTD geocode fork.
Updated config for docs

This eliminates many of the blank pages when generating a pdf.
Added Merge and Conflict Resolution

Added help for Merge and Conflict Resolution
Update geogit-sync.py

Updated sync script to take author name and author email for pull.
Update pom.xml

Updated gs-geogit version.
Use the optional classification banner size when dynamically calculating element height in the map view.
Bump the django-classification-banner version.
Update the start and stop scripts to use the supervisor service.
Minor updates to help

Minor updates to help
Updated Docs to reflect GeoSHAPE name

Replaced references to ROGUE in the user docs with GeoSHAPE
brought over latest pom file from https://github.com/GeoNode/geoserver-geonode-ext including the source folder since it has been updated to be based on 2.5.1
changes made to pom file to deal with rogue dependancies. work in progress.
Added ES translation files and restructured docs

Restructured the docs to support translation and added the es
translation files from Transifex.
Added missing translation in edit.po

Added missing translation within transfix and updated edit.po and
edit.mo files
Updated files for translation support

This commit modifies all of the existing screenshots with a prefix of
en_ to support swapping out language specific screenshots when building
translated docs.