Added support for Python 3.

Modified README.textile to incorporate instructions for installing (Ubuntu) in Python 3.
Modified setup.py to make setup_tools automatically convert the Python 2 code using 2to3.
Modified lcdproc/server.py to change the type of the variables in- and outputted to the telnetlib to bytes.
Fixed README.textile
Update lcdproc/server.py

Removed trailing space
Merge pull request #4 from CriminalK/master

Added Python 3 support