Update zh_CN.ini
and shortcuts for save state slots.
Merge pull request #199 from wuspring/zh_CN

Update zh_CN.ini
Merge pull request #200 from wuspring/en_US

add shortcuts for save state slots.
en_US: Remove unneeded keys. They have shortcuts already in ppsspp.rc, and the code doesn't use these.
Remove unneeded keys

https://github.com/hrydgard/ppsspp-lang/commit/95db37412a29ada2859924e9d3036f2abd82308f
[Developer] updated
[DesktopUI] updated
Minor change ("#" is for comments)
Update es_ES.ini

Translated all comments. Removed unused lines. Added/removed lines in DesktopUI. Some typo and better translations. Change general INI to fit recent changes in some strings.
Merge pull request #201 from ppmeis/patch-16

Update es_ES.ini