Added a generic URL retriever, added the slow attribute for tests that depend on external IO so "nosetests -a '!slow'" is possible for quicker testing
Merge remote-tracking branch 'origin/dev-shadikka' into dev

Conflicts:
	tikplay/tests/test_server.py
Merge remote-tracking branch 'origin/stealthyloner-dev' into dev
Merge branch 'stealthyloner-dev' into dev

Conflicts:
	requirements.txt
Client stub
Merge branch 'dev' of https://github.com/tietokilta-saato/tikplay into dev
Fix sending idle
Merge branch 'stealthyloner-dev' into dev
Merge branch 'dev'