Update to latest libchewing
Update to latest libchewing
Do not set CHEWING_PATH and CHEWING_USER_PATH

libchewing can find correct path on Windows platform now.
Revert "Do not set CHEWING_PATH and CHEWING_USER_PATH"

This reverts commit 7ef42ce1a040201d7fc8ee2b992ebd398e2e041f.

Closed #104