fixes PYPConfig.cc
bump version 1.4.91
fixes automake
add libpinyin depends
add symbol to libpinyin.xml.in.in
fixes ';' in double pinyin
bump version 1.4.92
detect libpinyin datadir
fixes bopomofo icon
bump version 1.4.93
fixes symbol icons
fixes symbol icon again
fixes get_chewing_string
fixes get_pinyin_string
bump version 1.5.91
improves property labels
fixes letter labels
fixes autogen.sh
update po
update zh_CN.po