Added possibility to set port from outside

Change-Id: I4805ff10cf5b1a9e7e63dc97a4cc9e967015cbfa
Use first argument as port number

Change-Id: I66101f63e34753b6e5fe17d2c085d4b2c90eeb63
Fixed style issue

Change-Id: Ia757b826605d4802dae206b6447b27203a8f19b7
Updated the readme to reflect the possibility to change the used port

Change-Id: I18091d05e32797c405c57b7e2fa54323bbcde8bd
Merge pull request #8 from MorganLindqvist/change_port

Added possibility to set port from outside