fb_likebox 7.x-2.3

Issue #2661062 by baekelandt: Updated patterns submodule to work with the latest Facebook Page Plugin implementation
Issue #2773317 by naveenvalecha: Remove used variables from module in uninstall hook
Issue #2773313 by naveenvalecha: Remove LICENSE.txt from Repo as its automatically added by d.o. packaging script
Issue #2700877 by naveenvalecha: Change Module Name on Module Page from "Page Plugin" to "Facebook Likebox"
Improved the usability of the block-settings for the site-admin by baekelandt
Issue #2541840 by baekelandt: Order the language list alphabetically
Issue #2648864 by baekelandt: Update to use new data-tabs instead of data-show-posts
Issue #2511928 by silkogelman, baekelandt: Make language configurable
Issue #2512556 by silkogelman: Allow all page plugin settings to be configurable by user
Issue #2499463 by mfernea: Invalid App Id
Issue #2526332 by himanshupathak3: Should just enabling the module should render js on all pages including admin pages ?