Merge pull request #1 from lupascualex/dev

added src.com.se.project.securechat package which contains Chat class
Revert "added src.com.se.project.securechat package which contains Chat class"
Merge pull request #2 from lupascualex/revert-1-dev

Revert "added src.com.se.project.securechat package which contains Chat ...
Merge branch 'master' of https://github.com/lupascualex/SEProject
deleted class diagram
added improved class diagram