code in the server and customer feedback #127, close #142, close #143, close #144, close #145 (addresses are server based)

Code in the server. if you wish to run it locally change the addresses to point to localhost(switch code lines in frontend files) #127

Refactoring code, fixing closed date bug, enhancing documentation, worded forms better. #135 #129 #136

Fixed link to profile in header for Docker nginx and updated .jar file for recent version if you do not wish to clean build the backend yourself.

Possibility to run on Docker. JWT secret env variable name was changed! Use JWT_SECRET instead of app.jwtSecret in your environmental variables