D-17

v-3.1.2
---
1. post data => FTP

    ==> done
D-17

v-3.1.3
---
1. post data => HTTP

    ==> done
D-17

v-3.1.4
---
1. checkbox => delete files

    ==> done
D-17

v-3.1.5
---
1. multiple uploads => post image data each time ftp done

    ==> done(test undone)