stream unread items number displayed in tabs
fix bug in show more messages functionality
modify unread number handling scheme

not entirely elegant at this point
indicate if room has unread messages
cleanup and improvement to unread indicators
simplify whois command
increase clarity of time command
cleanup and style normalization

cleanup done manually, consulted google to resolve style conflicts
prevent empty messages
Merge from master
semicolons
Merge pull request #15 from reebalazs/improve_streams2

Stream unread items number displayed in tabs
merge from master
Merge pull request #17 from reebalazs/improve_messaging4

indicate if room has unread messages
merge from master