Update manager.xml

Correction of missing parameter
Update admin.xml

Correction of missing parameters
Update locale.xml

Adding missing {$space} @ key="plugins.generic.thesis.studentFullName
Merge pull request #148 from ppv1979/ojs-stable-2_4

Added translation for ru_RU locale
Merge pull request #145 from josekarvalho/patch-4

Update manager.xml for pt_PT
Merge pull request #146 from josekarvalho/patch-5

Update admin.xml for pt_PT
Merge pull request #147 from josekarvalho/patch-6

Update locale.xml for pt_PT
*8595* Fix editor filter
*8653* Fix SQL missing space in JournalStatisticsDAO