allows SetVolume builtin to take a float
[WIN32] fixed a possible infinity loop during network enumeration.
set, get, and store the percentage in the slider control as a float
allow slider actions (volume/seek sliders) to have the precision of floats, rather than being constrained to integral percentages
Merge pull request #1712 from jmarshallnz/scrub_that_slider

Use floats for percentages in sliders
don't return the transform stack size from AddGUITransform or RemoveTransform - unbalanced transforms is a bug in the code, not something we should be constantly checking for
use empty() rather than size() for determining the emptyness of the transform stack
fix compile on VS2010 - strtof is C++11, so use strtod and cast.
dvdplayer: don't use OpenDefaultStreams() if something else dictate

This works for both dvd and bluray navigation
overlays: support ARGB image overlays
bluray: support still frames
bluray: support BDJ menus
dvdplayer: a disabled stream could be re-selected for bluray and dvd
dvdplayer: Always make sure first image after open is output

This solves some still frame issues with blurays
bluray: factor out overlay functions to reduce code duplication
fixed, CSoftAEStream::GetCacheTime was calculated wrong
changed, refactor CSoftAEStream::GetDelay, CSoftAEStream::GetCacheTime and CSoftAEStream::GetCacheTotal to be similar
[osx] fixed error in CCoreAudioHardware::FormatsList, which is not actually used anywhere :)
Revert "changed: No need to get FTP filetimes for Exists() calls"

This reverts commit e373cd521e758394b032f756117ec9175d349820.
[WIN32] changed: use win deviceiocontrol to play cdda's instead of libcdio