rose suite-log: no longer import rose.bush

`rose.suite_log` should not import `rose.bush`, which requires
`cherrypy`. The change allows `rose suite-log` to work on platform
without `cherrypy` installed.
Merge pull request #1091 from matthewrmshin/fix-rose-suite-log-import-cherrypy

rose suite-log: no longer import rose.bush
Add failed jobs totals to cycles page.
Fix chmod problem in dumper in rose.config

Bug introduced in #1067. Use of temporary file to dump configuration
means that the result file has only user read+write permission. This fix
will create the configuration file with the correct permission.
Merge pull request #1095 from matthewrmshin/fix-rose-config-dump-chmod

Fix chmod problem in dumper in rose.config
Merge pull request #1092 from arjclark/rose-bush.job_failure_count

rose bush: cycles: list failed jobs totals
Update for bug fix release