create mediaplayer.extraHeaders setting when necessary
For not existing settings return empty string instead of None as in XBMC
added koukni.cz to quick search, fixed addon names in quick search
fixed rtmp-plugin script
fixed creation scripts, cleanup
added custom repository, all repositories now on github
fixed GS when exiting plugin, TV addons group is not hardcoded in
plugin instead we use tv_addon setting
update .gitignore