Initial matcher

https://twitter.com/RENDAAAAAA/statuses/496128250263764993

Japanese
> pecoに起動時のMatcherを指定出来るオプションないかなあ。C-r何回か押してmigemoに切り替えてから検索文字列入力、だとやや面倒。 

English
> I wonder if there is no option to specify the Matcher during start-up peco. Press several times C-r to the search after switching to migemo, It is somewhat cumbersome.