First set of changes for major refactor of mediaserver query code.
Contents:
1) Support for external mediaservers removed
2) Support for advanced sorts removed
3) Readme updated
4) Rationalisation of when to specify albumartist in all ini settings
5) Browse and Search code combined and rationalised across all queries
6) Index settings separated out to separate ini files and syntax updated
7) Support for multiple index ini files added to command line
8) Support for track duplicates removed
Merge branch 'msrefactor5' of github.com:henkelis/sonospy into msrefactor5

Conflicts:
	sonospy/mediaserver.py
	sonospy/proxy.py
	sonospy/pycpoint.ini
	sonospy/userindex.ini