correct name of requirements
added procfile
settings for heroku db
added port for run in heroku server
new type of param for field handler
delete print
fix files url
deleted md5 converter and puted it to field handler
changed file upload path
set user name to unicode
deleted unused import
fixed bug with decoding empty string
enable unicode search
added link to main page of chats
change md5 decoder to another lib
added additional validation to user
removed check on user exist from handlers
Merge branch 'master' of https://github.com/pasichnyk-oleh/pchat