adjust coding style and utf-8
use $lang['menu'] for the main admin menu text
use DokuWiki msg() to display message
change help.txt to intro.txt
footnote does helpful especially in dryrun
rework input form design
convert $lang['i_choose'] to guide.txt
use class constant instead of 'en'
remove getInfo() that deprecated since 2009-12-25 “Lemming”
add japanese lang files
Merge pull request #2 from ssahara/dev

brushup admin interface