Fixes related to reputations update during regular sync.

See merge request !206

Mi fix problem live sync

See merge request !200

Account reputations are calculated according to previously collected input data.

See merge request !182

Changes in the API implementations required to match reputation data calculated and held in the database now.

log virtual op calls

See merge request !197

Remove unexpected active auths spam from logs

See merge request !195

Added check preventing creation of already existing index.

See merge request !190

Index creation is forced only in case of massive sync. When sync is resumed...

See merge request !188

Index creation is forced only in case of massive sync. When sync is resumed for number of blocks less than LIMIT it shall be skipped and only really missing indexes shall be built.

Definition of update_hive_posts_children_count function changed to 'plpgsql'...

See merge request !186

rework bridge.get_ranked_posts

See merge request !183

Definition of update_hive_posts_children_count function changed to 'plpgsql' because of performance reasons.

get_ranked_post is completly reworked: instead
of assemby query in python sql methods are invoked

Gathering mentions

See merge request !178

Resolved conflicts:
   hive/db/db_state.py

account and permlink validators added to bridge API functions

See merge request !174

Merge branch 'pmaniora_bridge_validators' of gitlab.syncad.com:hive/hivemind into pmaniora_bridge_validators

- Increased limit of blocks when massive sync rules shall be applied

See merge request !179

- block_num in hive_state is written immediately after finish of time consumimg queries
- eliminated LOGGED/UNLOGGED switching due to high disk space requirements of this process.

list_votes call changed in similar way as list_comments

See merge request !176

[ABW]: list_votes call changed in similar way as list_comments - added checks, response only gives votes strictly requested
extended error messages on check for number of arguments for list_votes/list_comments

fix for sync when notifs for muted post is generated

See merge request !171

escape characters for notification payload string

See merge request !172