Added classes ServiceList, ServiceThread and IServiceTask.
Added ServiceThread start.
TabWidget now supports delayed init.
Fix auto connect.
Prepare for delayed start.
Chat core now supports delayed start.
Cache plugin now supports delayed start.
All plugins now supports delayed start.
Fix build.
Added IChannelMenu.
Fix for Qt 4.
Improved concurrency.
Removed console.
Merge branch 'service-thread' into devel