bridge_api and database_api main queries replaced with use of vw_hive_posts view

See merge request !47

correct jsons returned by the server for active votes

See merge request !48

- Implemented comment body patching using diff_match_patch library to follow original hived node behavior
- extended string literal normalization/escaping to support unicode strings containing nonprintable characters

view definition extended to cover all needed fields
unique constraint replaced with primary key (first) for hive_roles

Ci tests spawn

See merge request !46

Defined environment stopping action

Fixed query counting children for posts collected during sync.

See merge request !45

comment last update time initialized

See merge request !43

issue#44 get active vote

See merge request !42

Consender api fixes

See merge request !41

Temporary patch to parse_amount to avoid whole query failures until cashout will be fixed.

Fixes to further condenser_api methods: used vw_hive_posts view providing valid values of url, root_title and simplifying API queries

Processing time shall be taken from last processed block (not current one) to...

See merge request !40

Processing time shall be taken from last processed block (not current one) to match hived head_block_time value.

Bumped version of tests_api submodule

See merge request !37

Fixed internal error during processing response containing a Decimal object...

See merge request !39

Fixed internal error during processing response containing a Decimal object (value of some Decimal SQL column)

Hivemind ci separate sync

See merge request !38

fix for buffering vops

See merge request !36