*8913* Prevent fatal error when Custom Theme plugin is used in Site Context
*7846* updated de_DE locale, LOCKSS, re: f9ac453ae4
*8917* return parent's return value in usageStatLoader's scheduled task
*8913* Correct constant in Custom Theme Plugin use of journal-less context
Merge pull request #314 from ulsdevteam/fix-custom-theme-for-site

*8913* Prevent fatal error when Custom Theme plugin is used in Site Context
Merge pull request #317 from mtub/20140923-updated-de-locale

*7846* updated de_DE locale, lockss
Merge pull request #315 from mtub/20140922-last-minute-updates-de-locale

*7846* updated de_DE locale, LOCKSS, re: f9ac453ae4
Merge pull request #316 from ulsdevteam/fix-usagestats-loader-return-value

*8917* return parent's return value in usageStatLoader's scheduled task
Merge pull request #313 from ppv1979/ojs-dev-2_4

added ru_RU translation + fixed error in en_US locale
Merge pull request #312 from josekarvalho/patch-9

Update pt_PT locale key