Tidy up "services_captiveportal_filemanager" XHTM

Swap BODY and ph statement
Add SUMMARY to tables
Deprecate ampersand
Close IMG and add ALT
Move NOWRAP to class
Close INPUT
Merge pull request #1051 from ExolonDX/branch_master_08

Tidy up "services_captiveportal_filemanager" XHTM