[ios/atv2] - harmonize the behaviour of builtin "shutdownmenu" - it should behave the same on all platforms now that the shutdownmenu only has usefull entries
[confluence] fixed position of stereoscopics and subtitle balloon-tip in video OSD

This is using the positioning of the balloon-tips like it was before the changes in GUI rendering.
Merge pull request #3795 from da-anda/fix-balloontips

[confluence] fix position of stereoscopics and subtitle balloon-tips in video OSD
[fix] Fix compiler warning for initialization order with GNU compilers.
Merge pull request #3812 from Memphiz/iosshutdownmenu

[ios/atv2] - harmonize the behaviour of builtin "shutdownmenu"
Use std::string instead of CStdString in URL.cpp

I'm really glad I caught this. Some unlucky fellow begrudgingly doing a find-and-replace for CStdString has just been spared a small headache.