Update versioning per Travis instructions.
Upgraded generator_spec for cleaner example group declaration.
Renamed source control keep files.

This keeps in line with Rails since https://github.com/rails/rails/pull/7614.
Injected Refinery into routes agnostic of how the application is declared in the routes file.
Replaced File.open ... do with File.read/write.
Fixes #2584 by restoring Refinery::Page#destroy! functionality.
Merge pull request #2582 from gwagener/generator_fixes

Generator fixes
Extracted WYMeditor to refinerycms-wymeditor.

WIP: For some reason some page admin specs are failing when run after core/spec.
Made the custom assets helper spec not clear all registered javascripts and stylesheets before each spec.
Tidy up asset usage/registration in specs to reveal a hidden pagination failure in xhr_paging_spec.rb
Further decouple WYMeditor from the core and replace with APIs.
Renamed wym_ prefix to visual_editor_ where relevant and moved relevant functionality out to refinerycms-wymeditor.
Added refinerycms-wymeditor to installation templates.
fix #2583 bug, remove h2 tag in flash message

remove useless h2 tag in flash message string.
Merge pull request #2585 from xiaods/patch-1

fix #2583 bug, remove h2 tag in flash message
Merge pull request #2567 from refinery/extract_wymeditor

Extracted WYMeditor to refinerycms-wymeditor.
Introduce ThumbnailDimensions model to simply Image.
Merge pull request #2589 from awagener/add_thumbnail_dimensions_model

Introduce ThumbnailDimensions model to simplify Image.
Add onOpenDialog and onCloseDialog javascript to admin.js
Merge pull request #2593 from ghoppe/add-dialog-js

Add onOpenDialog and onCloseDialog javascript to admin.js