changes some views and refactors Page
updates page editor multilanguage
adds parent_id to modal
fixes editor modal error (constant Admin::Editor::DialogProvidingController not found)
adds region overview dummy page
makes several redesigns
fixes some views
Adds Image::ExifStorable module

A module which encapsulates all Exif related methods
updates some gems
makes several improvements, cleanups and refactorings
refactors Image model
cleanup images
updates image editor
integrates image uploader
add upload temp dir to .gitignore
adds region editor
Fixes typo in tabs.css.scss
adds region editor
readds show page for Templates, enhances Admin::ApplicationPresenter
finishes region editor; closes #15