add "replace" and "upload" functionality

Created by: liyakun

add "replace" and "upload" functionalities

add "upload" file name check

add upload service with commit_message_replace

add replace action

add "replace" view

show "replace"

add "replace" commit message

add "replace" and "upload" test

add "replace" and "upload" test

support "replace" and "upload" functionalities

add "upload" view

add upload button

show "upload"

new functionality added