Xtream Updates and added settings

[superolmo]

• Added setting for hiding empty group #207
• Added setting for hiding adult channels (if marked so by provider) #207
• Added support for using Hypnotix user agent in Xtream #175 #274
• Added connection retry in Xtream
• Added progress bar in console for debugging slow processing #272
• Improved ability to have more than one Xtream provider (untested) #255
• Improved Xtream loading speed #272
• Improved logging by using the GUI status bar
• Changed automatic reload from 2 to 4 hours

[mtwebster]

Sorry for the delay - I'm trying to get an account with xtream to test things out but they seem to be unresponsive.

[superolmo]

No problem, take your time. It is better to get it tested then rushed in.