Merge pull request #168 from yuyichao/pull

[diagnose] Pull for `fcitx-diagnose`
[trans] Update Translation
[trans] Update Translation
[misc] try workaround kde's icon fallback
[core] implement set im by name if there is no focused window.

if the focus comes back to the original ic, the im will be set
eventually. this can be useful if GUI switcher grab the focus.
Add CurrentIM D-Bus property.
[qt] add new property for current im in qt
[core] use Unity indicator-keyboard icons in Unity
[kimpanel] use Unity-specific icons in Unity
[kimpanel] don't use strcpy for static strings