Russian i18n update

Issue number: 1466
Submitted by: jazzjack


git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@8051 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/lib/hudson/project/config-builders_ru.properties

 Build=\u0421\u0431\u043e\u0440\u043a\u0430
+Add\ build\ step=\u0414\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0448\u0430\u0433 \u0441\u0431\u043e\u0440\u043a\u0438