* A `quote_identifier` function was added, which can be used to prope…

…rly backtick identifier names

* The `Tls_version` column was added to the output from the `mysql.slave_master_info` table, from the `diagnostics` procedure (backported from 5.7 upstream change)

* MySQL Bug #77853 / Oracle Bug #21512106 - The `format_path` function did not consider directory boundaries when comparing variables to paths - it now does. Also fixed to no longer translate backslashes within Windows paths to forward slash
* Oracle Bug #21663578 - Fixed an instability within the sysschema.v_schema_tables_with_full_table_scans test
* Oracle Bug #21970078 - The host_summary view could fail with a division by zero error
* MySQL Bug #78874 / Oracle Bug #22066096 - The `ps_setup_show_enabled` procedure showed all rows for the `performance_schema.setup_objects` table, rather than only those that are enabled
* MySQL Bug #80569 / Oracle Bug #22848110 - The `max_latency` column for the `host_summary_by_statement_latency` view incorrectly showed the SUM of latency
* MySQL Bug #80833 / Oracle Bug #22988461 - The `pages_hashed` and `pages_old` columns within the `innodb_buffer_stats_by_schema` and `innodb_buffer_stats_by_table` views were calculated incorrectly (**Contributed by Tsubasa Tanaka**)
* MySQL Bug #78823 / Oracle Bug #22011361 - The `create_synonym_db` procedure failed when using reserved words as the synonym name (this change also introduced the `quote_identifier` function mentioned above **Contriubuted by Paul Dubois**)
* MySQL Bug #81564 / Oracle Bug #23335880 - The `ps_setup_show_enabled` and `ps_setup_show_disabled` procedures were fixed to:
** Show `user@host` instead of `host@user` for accounts
** Fixed the column header for `disabled_users` within `ps_setup_show_disabled`
** Explicitly ordered all output for test stability
** Show disabled users for 5.7.6+
* Oracle Bug #21970806 - The `sysschema.fn_ps_thread_trx_info` test was unstable
* Oracle Bug #23621189 - The `ps_trace_statement_digest` procedure ran EXPLAIN incorrectly in certain cases (such as on a SHOW statement, no query being specified, or not having a full qualified table), the procedure now catches these issues and ignores them

Merge pull request #93 from MarkLeith/development

Release 1.5.0

* Load the 5.6 version of the ps_setup_reset_to_default procedure on 5.6

* Update news file for release.

Update version

Update NEWS for 1.3.0 release

Update NEWS file for release

Update NEWS file for recent changes before 1.1.0 release

Update release date.

Use 'total' more consistently (instead of count_star, etc.)