zbar source from http://zbar.hg.sourceforge.net/hgweb/zbar/zbar/
modify zbar source (fa84e0427c24-2012-06-05) for support chinese decode
zbar source from http://zbar.hg.sourceforge.net/hgweb/zbar/zbar/
modify zbar source (fa84e0427c24-2012-06-05) for support chinese decode
http://zbar.hg.sourceforge.net/hgweb/zbar/zbar/
GNU Lesser General Public License v2.1