- Instructions for Apache: copy config file to sites_enabled/
    rather than appending it to the main config file
- default job replication is 1
- fix format of items on op pages

- update tools/demo_query:
    show errors as text
    if in progress, show status and exit
- tools/demo_submit: exit after submit

- admin web: don't show plan class twice in app version page
- python scripts: if get XML parse error, show name of file it's in
- make_project: fix apache instructions

This was reading a line with fgets(),
then removing the last character from it
(usually but not necessarily a newline).
This is incorrect.
It broke the logic for checking .md5 files
(which look for the newline)