Merge pull request #4 from ankit02/master

Changes in css
css for show page
reply to field and index page
implemented trashing
search
sorting
sorting and search proper
nothing much
read and unread filters
bundle update
bundle update
sa
application.rb file
unread conv number removed
unread conv
inbox bold removed
untrash a trashed conv
checkbox for multiple trashing
little changes
sorting corrected