tests for administration
rewritten logic for administration tests

rewritten logic for administration tests by analogy with external links
aesthetic changes
specified values and added fields
BBCodeTests is turned off
Added deleting pm from sender, made some refactoring
Removed deleting messages from sender and receiver, small refactoring
Rus label for EMPTY_SUBJECT_ERROR was added
Sleep 3 sec was added to clickCreateTopic and fillTopicTitle methods
BBCodeTests that should pass is enabled
Sleep 3 sec was added to clickCreateTopic and fillTopicTitle methods
Sleep was deleted in clickCreateTopic and fillTopicTitle methods
Sleep was deleted in clickCreateTopic and fillTopicTitle methods
BBCodeTests turned off
Merge pull request #11 from xcandlelight/administrationtest

tests for administration
Merge from main rep
Change variables for TopicPage class