update ik to 1.2.1
upload carrot2 tutorial
bug fix,pinyin plugin
update package_list
update stconvert to 1.2.1
update string2int to 1.2.1
remove broken plugins
update carrot2,with jdk6 supported
update analysis-ik 1.2.2,add ik tokenizer
update elasticsearch to 0.90.2
add ik test
update tools.carrot,compatible with jdk1.6
add usage tips
Merge pull request #6 from medcl/master

合并原作者更新