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[Done!]should be able to hit enter in an input box to submit data in dialog box
[Done!]protect the main page from drog and drop
[Done!]closest polyfill
[Done!]When an error happens in a form, it should focus the input box
[Done!]Sticker Footer:https://css-tricks.com/couple-takes-sticky-footer/
[Done!]filter for session in backend
[Done!]complete locale in admin panel
[Done!]complete config in admin panel
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[ ] serial id/free trial version
[Done!] Retest emergency password
[ ] loginページを開いた時にtxdbに読み込み書き込みがあるか調べたほうがよい。