Misc: explorer: Save reports in #{Rails.root}/tmp/explorer

Signed-off-by: Tim Serong <tserong@suse.com>
Misc: explorer: Fix report deletion, don't run "crm history" as root (bnc#799525)

Signed-off-by: Tim Serong <tserong@suse.com>
GUI: Add ability to view cluster diagram (fate#313718)

Signed-off-by: Tim Serong <tserong@suse.com>
GUI: Add new icon for cluster diagram menu item

Signed-off-by: Tim Serong <tserong@suse.com>
GUI: crm_config editor: Expose op_defaults and rsc_defaults (fate#314386)

Signed-off-by: Tim Serong <tserong@suse.com>
Misc: crm_config editor: Simplify implementation

Signed-off-by: Tim Serong <tserong@suse.com>