lvs-log-swap -> lvs-log-summary, +lvs-log-description
Update test framework:

* Allow specific groups to be tested
* Update tests to include MediaFeatures group
Update readme file
+ja ns i18n
Merge remote-tracking branch 'origin/dev' into VOLDEV-18

Conflicts:
	extensions/wikia/LicensedVideoSwap/LicensedVideoSwap.i18n.php
from change on origin/dev
CE-1019 Adding task for user name update on user rename
CE-1019 Remove user on Close Account
CE-1019 Adding hook after close account
CE-1019 Adding task for removing user properties in ExactTarget on user account disable
CE-1019 Change hook name
CE-86 add permission welcomeexempt to STAFF group
CE-990 add $variable_id to Log (it was missing)
CE-990 correct code format
CE-1019 Adding script for removing Subscriber object from ExactTarget
CE-1019 Adding email update changed by Special:EditAccount
CE-1019 Removing old subscriber before adding new
CE-1019 Refactoring functions to reduce code duplication
Minor typo, code convention
CE-1019 Optimizing functions to reduce code repetition - wrapDeleteRequest function