base controller and blog post images controller

not yet done
fix controller specs
override ckeditor elements

override index, asset, _asset_tmpl and application_helper
fixed integrations tests

added integration tests for images. updated a few missing methods in
models. updated the database cleaner to actually work. added all the
required stuff to make everything work(js, fixture logo, etc.)
destroy not delete
make specs more readable

updated the base controller specs to make them cleaner and more
readable. added specs for the blog_post_images_controller_spec
move base_controller to blog_post_controller

moved logic and specs from base_controller to blog_post_controller.
add find_image_by method

added find_image_by id method to the blog_post. it will be used in the
delete method.
improved controller and integration tests

changed controller spec methods. used xhr :get to test ajax calls. used
:js => true for images integration tests. created a partial for index
uploader script
update specs, create shared controller spec, update js

the javascript was off because of a rebase.
created shared controller spec for the find_modal method. updated the
blog_post_images_controller_specs
remove selenium driver helper
fix js error and move id

there was a legacy js issue that needed to be fixed. also moved the form
it into edit so the keywords get set after that
clean up after myself

make sure the images are deleted
changed translation and fix spelling error
delete images after cucumbers
remove I18n and fix typo
Merge pull request #27 from xskander/feature/post_images_r0

Feature/post images r0