Tweak defaults and nullables in datacache table
Fix default entity roles at installation time
Typo in rest/host component
Changes in rest/host to show PTR records and also delete associated DNS and DHCP records as a transaction
Fix for Bug #1737 (PTR record not properly updated when changing Ipblock across reverse DNS zones)
Remove redundant assignment
Only Admins should be able to import zone data (See #1976)
Fix error when displaying list of Ipblock attributes
Fix delete bug in previous changes to rest/host
Fix bug in sortresults.html when sort field is an Ipblock and it's unset
Bump version
Update schema version
Correction
Remove references to history tables
Fixed bug in rest/host when updating ethernet address of host given the Ipblock id
Fix several issues affecting REST operations for non-admin users
Table reorganization:

- ArpCache + ArpCacheEntry => ArpHistory
- FWTable + FWTableEntry => FwHistory
When creating a DB, use template1 if possible.
Changes related to arpcache -> arphistory conversion.
DB changes:

- rearrange_arp_history();
- rearrange_fw_history();