Merge pull request #12 from lotem/master

Rime reads bitmask FcitxKeyState_CapsLock to detect whether caps lock is on
[rime] update icon
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[rime] use new icon feature.
[rime] use rime-im instead of rime-ch as name, some rime is not chinese
[rime] update icon
[rime] add more icon
[rime] setup logging
[rime] add notification
[trans] Update Translation
[rime] add empty vi.po for update
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[rime] adopt api v1.
[rime] update dependency requirements.
[rime] update readme
[trans] Update Translation