Initialize variables in the constructor.
losslessly compress res/tickcross.png
update lcms2 to 570d411
Cppcheck fixes:

* reduce variable scope
* remove unneeded variable assignments
update Authors.txt
MPCVideoDec: fixed playback h264 after "stop" on Intel HD Graphics (second very safe version).
PlayerPlaylistBar.cpp: fix x64 warnings
run astyle
SubtitleDlDlg: fix x64 warnings
Make "Sharpen Complex 2" shader compatible with Pixel Shader 2.0.
Update the Changelog.
SubtitleDlDlg: Double-clicking/Pressing Enter download the selected files.

This commit fixes #2926.
Workaround a crash in capture mode.