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
Refactored CLI override command to use Thor.
Merge pull request #2042 from refinery/pa_cli_overrides

Refactored CLI override command to use Thor.
Add note to changelog about #2050, #2063 and #2067.
Update regex to match multiline config.action_mailer.

Updated regex can now properly match config.action_mailer settings like:

config.action_mailer.raise_delivery_errors = false

and multiline:

config.action_mailer.raise_delivery_errors = false
config.action_mailer.smtp_settings = {
    address: "test.com",
    port: 123,
    domain: "example.com"
}
cms_generator can now support indentation on action_mailer settings.

For #2055
Add note to changelog about #2055.
We shouldn't require users or SSL on the frontend.

* Renamed force_ssl? to force_ssl! and moved it to Admin::BaseController.
* Renamed refinery_user_required? to require_refinery_users! and moved it to Admin::BaseController.