Update all references from telldus-py to tellcore-py

Also removed the usage of sudo when running tellprox from the documentation as
this is not needed. Also added an alternative way of running tellprox without
installing tellcore-py first.
Merge pull request #8 from erijo/tellcore

Update all references from telldus-py to tellcore-py
Update setup.py
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Fixed setup.py
Validate config and cleaned up config front-end
Fixed xml post output and added more API items
Added group/remove
Self documenting API, latest version (1.8) of bootstrap switch
Update README.md
Fixed webroot
Merge branch 'master' of https://github.com/p3tecracknell/tellprox
Changed 303 to manual javascript (fixes Apache redirects)
Update README.md
Update README.md