Seo translations gets managed by SeoMeta gem.
Update seo_meta to 1.4.0
- deprecated meta keywords
Remove everything that was related to meta_keywords.

seo_meta gem droped meta_keywords support in version 1.4.0.
Add note to changelog about meta_keywords removal.
The build is no longer allowed to fail on:

* jruby-18mode
* jruby-19mode
* rbx-18mode
* ruby 2.0.0
Fixed some typos and long sentence in locales for Swedish
Merge pull request #2059 from izepax/master

Fixed some typos and long sentence in Swedish locales
Updated docs to reflect including Refinery::Engine
Remove unused logo.
Changed WYMeditor.REL from 'rel' to 'data-rel'.

Fixes #2019
Ensure that we try all avenues to get the image size.

Related to #2109 and #2058
Remove redundant li tag.
Add data-index attribute to newly created page parts.

It is needed because page part ordering sets page part position using
data-index value.
Remove redundant require 'net/http'.

Code was refactored in 581204a42f970b802872cca7bfcc2f19dc1830c1 and
this is just a leftover.
Add note to changelog about #2019.
Notes about setting up db if you don't use taps.
Merge pull request #2065 from therabidbanana/master

Heroku Guide - Added notes for rake db:migrate/seed
Adding Config to Hide Title in Page Body

Fixes #2067
Merge pull request #2063 from refinery/issue_2060

Add data-index attribute to newly created page parts.
Trivial custom backend route config.

Fixes #2050