CS-5484: Adds configuration option for scheduler service
CS-5224: Allow custom memory_limit for internal composer and plugin related system calls
CS-5526: Adds requirement for specific smarty version
CS-5526: Adds composer.lock for new smarty version
Merge remote-tracking branch 'upstream/v4.3' into CS-5526
CS-5526: Adds composer.lock for new smarty version with dev dependencies
CS-5473: Adds sorting by author and status and required changes in admin.js for accounting widget
CS-5473: Adds sorting for author and status to ArticleList datatables
Merge remote-tracking branch 'upstream/v4.3' into CS-5484
CS-5484: Adds configuration option for jobby environment variable
CS-5484: Changes configuration name to more univeral 'scheduler'
CS-5527: Fixes error when editing slidehows and rich text captions are enabled

PHP Fatal error: Call to undefined function validateTinyMCEEditors() in
/var/www/newscoop/application/modules/admin/views/scripts/slideshow/edit-item.phtml
on line 13
Merge pull request #843 from m038/CS-5484_v4.3

CS 5484: Scheduler environment is now configurable from paramteres - v4.3
Merge pull request #846 from m038/CS-5527

CS-5527: Fixes error when editing slidehows and rich text captions are e...
Merge pull request #840 from m038/CS-5473_v4.3

CS-5473: Adds sorting by author and more - v4.3
Merge remote-tracking branch 'upstream/v4.3' into CS-5524_v4.3

Conflicts:
	newscoop/application/configs/parameters/parameters.yml
CS-5524: Fixed code typo
Merge pull request #839 from m038/CS-5524_v4.3

WIP: CS-5224: Allow custom memory_limit for composer
Don't try to setup article metadata when there is no article in url

Check if 4 part of exploded url inst empty string.
CS-5530: Fixes issues when having multiple translated issues under 1 publication

Now doesn't assume default language to be publication language, when
there is only one publication.
Added a check that an issue should be selected before adding. If there
is no issue in the selected language it won't be possible to add an
article.