x11-tools: fix other IM can't input in gnome when ibus

This update fixes the following issue with x11-tools:
- bnc#853063: fix other IM can't input in gnome when ibus is installed
+ Add fcitx and gcin to sysconfig/language:$INPUT_METHOD list
+ modify xim to avoid gnome-settings-daemon reset XMODIFIERS and QT_IM_MODULE

Fixed bugs
bnc#853063
gnome-settings-daemon override env variables from /etc/X11/xim.d/fcitx, that cause fcitx can't type in QT-base application.
Selected Binaries
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