Merge pull request #958 from jeherve/fix/enqueue-likes

Likes: only enqueue Likes scripts when necessary
Merge pull request #953 from enkrates/add-and-update-jetpack-network-tests

Adding several tests to jetpack network tests
Adds a test class covering functions.compat.php

The functions.compat.php file has two functions that parse some
specific pieces of possible YouTube urls. This commit adds a test
class that tests each kind of sanitization that youtube_sanitize_url
performs and also test the two types of urls that jetpack_get_youtube_id
returns ids from.
Change LinkedIn sharing URL to secure URL

LinkedIn supports https throughout their site and users should be sent
to https links when possible. This commit changes the Share_LinkedIn
class to use https for the sharing link used in the process_request()
method.
Reverting some unintentional whitespace changes
Carousel: Trim whitespace
Related Posts: strip HTML Tags from post title

Fixes #974
filter $privacy_checks so we don't catch any chaff

There had been a bug where some things that weren’t modules got lumped
into is_module checks through this, because of
e4dd8b392a092ce22d78468561ac6eb985f0e87f
Likes: Abstract out jQuery selector.
Likes: JSHint Code Quality Tweaks
Likes / G+ Authorship: add global sharedaddy styles

These styles would otherwise be missing when the Sharing module is disabled
Fixes #202
Merge pull request #976 from jeherve/fix/related-posts-html-title

Related Posts: strip HTML Tags from post title
Merge pull request #979 from jeherve/fix/styles-gplus-likes

Likes / G+ Authorship: add global sharedaddy styles
Merge pull request #972 from enkrates/add-youtube-functions-test-class

Adds a test class covering functions.compat.php
Minileven: remove WP 3.4 backward compatibility

See #301
Swap __FILE__ references to JETPACK__PLUGIN_FILE

This will enable easier migration of files to a subdirectory to keep
the root cleaner, without messing up path location of files.
Likes: remove pre-3.8 styles

See #301
Likes: remove pre-mp6 filter

See #301
Module description: add context to "Paid" to avoid confusion

This should help translators find out how to best translate "Paid" in this context.
General: no need to add an mp6 class anymore