rose bush: allow some server side configuration

cycles list: default number of cycles per page
jobs list: default and maximum number of jobs per page
file view: maximum viewable file size in bytes
rose bush: fix resource locator syntax
rose bush: fix view-size-max int
Ignore etc/opt
Merge pull request #1362 from matthewrmshin/rose-bush-server-conf

rose bush: allow some server side configuration