Logging from django.db.backends is VERY verbose, send to null

Fix logical error in confition
Fixes: #PRD-1620

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Disable dashboard debug, it is too verbose

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Refactor ssh keys install resource
Update mysql setup to use new ssh keys resource
Make nova setup use new ssh keys resource
Add new ssh keys resource to ceph's ssh module
Cleanup and doc update of compute installation
Remove hardcoded ssh keys and references to them
Merge pull request #19 from dmitryilyin/sshkeys

Sshkeys
Start work on install_ssh_keys rspec
[PRD-1784] do not stick to galera package version
Merge pull request #567 from Mirantis/prd1784

[PRD-1784] do not stick to galera package version
Turn off DEBUGs for corosync, it is TOO verbose

Fixes: #PRD-1788

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Merge pull request #568 from bogdando/fix_prd1788

Turn off DEBUGs for corosync, it is TOO verbose
Add Rspecs for install_ssh_keys
fix rpmcache to use wildcards and rsync instead of cp
Merge pull request #529 from bogdando/fix_prd1620

Logging from django.db.backends is VERY verbose, send to null
Merge pull request #566 from dmitryilyin/sshkeys

Sshkeys
remove MySQL5.5 without wsrep from rhel
Merge pull request #569 from mattymo/fixrhelpkgs

fix rpmcache to use wildcards and rsync instead of cp