New features

1. Moved the Social Sharing section to a file in an `includes` folder.
2. Added patch from 2871467 to tidy up social sharing section
3. Added social sharing global variable for linkedin
4. Added social sharing global variable for email

Features implemented:

• Issue #2866969: Content changes tracking on our own instead of continuous job mechanism
• Issue #2875651: Bulk request translations (one job item in a job)

Fixed issues:

• Issue #2869353: Migration is incorrect: we need to take into consideration job item states too
• Issue #2871113: Generate hash only from translatable fields
• Issue #2871249: "Clone job to this languages" list is broken

General improvements:

• Issue #2869767: Clean up the code

This release brings Smartling FileAPIv2 into connector. It also contains all the features/improvements/fixes from 8.x-1.x branch.

New features implemented:

• Issue #2872970: Add option for ignoring ssl check when module generates context
• Issue #2852696: Support basic auth for context service

Fixed issues:

• Keep existing XLF format as default setting for existing installs of the module
• Issue #2868688: Job file name generation on update hook is not working
• Issue #2870998: Job presave: undefined method
• Fixed broken batch with context action

General improvements:

Implemented #2881675: Support schemes other than default
Adding stable release, because no issues were reported in a reasonable amount of time.