add space for archive.php
[bug fix] .pot file rename
use .jshintrc
Choice gulp option.
readme に gulp の説明追加
gulpfile.js bug fix.
Merge pull request #41 from gatespace/add_space

add space for archive.php
Merge pull request #42 from gatespace/potfile_rename_bugfix

[bug fix] .pot file rename
Merge pull request #43 from gatespace/jshintrc

use .jshintrc
Merge pull request #44 from gatespace/gulp_option

Gulp option