fix(embed): embed jquery target is now searched for instead of assuming last class
Merge pull request #6796 from beck24/embed_js

fix(embed): embed jquery target is now searched for instead of assuming last class
fix(messages): use recipient's language in the notification

Fixes #6902
Merge pull request #7189 from Elgg/message_notification_language

fix(messages): use recipient's language in the notification
chore(docs): fix variable reference

 array passed to elgg_define_js() is expected to have a 'src' key, not a 'path' key
Merge pull request #7190 from hypeJunction/docs

chore(docs): fix variable reference
fix(i18n): system cache now supports regional designators in language codes

Name of a cached language file can now have the following structure:
 - language code (2-3 lowercase alphabets)
 - underscore followed by regional designator (2 lowercase alphabets)

Fixes #7187
Merge pull request #7192 from juho-jaakkola/language_codes

System cache should support regional designators in language codes
chore(release): merge 1.8 branch
Merge pull request #7195 from juho-jaakkola/merge_18

Merge 1.8 into 1.9
chore(i18n): update translations
chore(release): v1.9.0
Merge pull request #7196 from juho-jaakkola/release-1.9.0

Release 1.9.0
fix(upgrade): fixes erroneous values in the list of processed upgrades

Code in the upgrade includes was overwriting variables in the upgrade
service resulting in an object being saved to the list of processed
upgrade where the filename should have been. This upgrade replaces the
class with the filename and isolates the scope of the include so
upgrades cannot break the process.

Fixes #7198
Merge pull request #7199 from juho-jaakkola/issue-7198

Fixes erronous values in the list of processed upgrades
chore(i18n): update translations
chore(release): v1.9.1
Merge pull request #7201 from juho-jaakkola/release-1.9.1

Release 1.9.1
Merge branch '1.9' of github.com:Elgg/Elgg into 1.9