Merge branch 'master' into develop
save last update date
change form method to GET
add caching for get list files in dir
update cache on change date update
clear cache after change parameters
add caching for the form image popup
add cache for assets
subqueries are not cached
add caching for the show notice page
Merge branch 'issue-22' into develop
use cache clearer
use cache clearer
add my cache_clearer
use Process for exec command
use my cache clearer. use parameters instead store the locale in session
use EN as default locale
Merge branch 'issue-23' into develop
cut locale
Merge branch 'issue-23' into develop