useful on laptops, so the white screen can work like a flash

Still left TODO:
- fix top bar with status
- fix sounds
- fix SettingsDialog signals when run due to incorrect config
- don't use kdelibs4support

Signed-off-by: Sebastian Krzyszkowiak <dos@dosowisko.net>

Effect buttons are tiny now, but at least it doesn't look completely broken.

Image controls (WIP)

Signed-off-by: Sebastian Krzyszkowiak <dos@dosowisko.net>

Signed-off-by: Sebastian Krzyszkowiak <dos@dosowisko.net>

Update es.po

Update zh_CN.po

[Translations] Update Serbian

Conflicts:
	po/zh_CN.po

don't overwrite photo if a file with the same name as calculated already exists; increment the counter until the unused name is found instead