* Revert "fix traces, removed bloomchain crate, closes #7228, closes #7167"

This reverts commit 1bf62038678295e5586f02a38a0c5aab9a9efe62.

* Revert "fixed broken logs (#7934)"

This reverts commit f8a2e53f.

* fixed broken logs

* bring back old lock order

* remove migration v13

* revert CURRENT_VERSION to 12 in migration.rs

* fixed broken logs

* bring back old lock order

* removed bloom groups from blockchain

* revert unrelated changes

* simplify blockchain_block_blooms

* Fix whitespace.

* Update copyright years/owner.

* Push release only for tags.

- Move Updater into its own crate.
- Change ethcore -> parity in authors, homepages and licenses.

* use bloomchain crate in blockchain module. remove obsole chainfilter submodule

* update database version to 6.0

* removed redundant line

* simple db migration

* make migration slightly more functional

* bloomchain migration

* migration version is just a single unsigned integer

* updated migration v6

* parity migration

* db migration

* removed hardcoded migration dir

* replace ptr::copy with clone_from_slice, removed potential endianess problem from trace/db.rs

* removed superfluous line

* blockchains log blooms config is not exposed any more