2010-05-02 ibus-pinyin 1.3.4 stable release
* Remove dependence library sigc++
* Fix half full punct problem
* Clear preedit text, when user presses Shift to switch En/Ch mode
* Support auto correct: v=>u, ve=>ue, van=>uan, vn=>un, ven=>un, vang=>uang
* Refine pinyin parser to split pinyin more accuracy.
* Fix build problems in BSD
* Several bug fixing