Contact Forms: Delete option to spam bulk actions

A bulk action option was added to the spam view to permanently delete multiple
posts at once.
Merge pull request #633 from rase-/add/bulk-delete

Contact Forms: Delete option to spam bulk actions
Likes: display below excerpts as well

Before this commit, Likes were only displayed below the_content
Sharing buttons, on the other hand, are displayed everywhere

Both modules should have the same behaviour
Likes: do not hide Likes for excerpts

See #484
Likes: remove $wp_current_filter

It's not necessary anymore now that we don't check for excerpts
Carousel: do_action documentation first pass
Comments: do_action docs added. First pass
Contact Forms: do_action docs. Initial pass
Contact Forms: Additional do_action docs
Custom CSS: do_action docs. Initial pass
Sharing: do_action docs first pass
AtD: Make sure that the new textarea expander doesn't break the editor toolbar
AtD: Revert modules/after-the-deadline/atd-nonvis-editor-plugin.js
AtD: disable toolbar scrolling when the editor is in spellcheck mode props  @azaozz
AtD: enable the toolbar scroll keep swap instead of replace textare with div
Blavatar: Initial adding of the blavatar module
Blavatar: Adding the module so that it shows up in the admin
Blavatar: Add filter that makes sure that all blavatar images get deleted
Update gravatar-profile.php

Remove undefined variable errors
Update image-widget.php

Remove undefined variable errors