[ticket/12932] Add method for allowing override of \phpbb\datetime class
* marc1706/ticket/12932:
[ticket/12932] Remove set_datetime_class method from user class
[ticket/12932] Fix tests and calls to create_datetime
[ticket/12932] Add method for getting the datetime class and allow overriding
[ticket/12956] Ensure the contact columns have been added before using t...
* nickvergessen/ticket/12956:
[ticket/12956] Ensure the contact columns have been added before using them
[ticket/12794] Properly validate google+ field against valid character set
* marc1706/ticket/12794:
[ticket/12794] Properly validate google+ field against valid character set
Ticket/12671 Possibility to use NOT LIKE expression
* Geolim4/ticket/12671:
[ticket/12671] Possibility to use NOT LIKE expression
[ticket/12671] Possibility to use NOT LIKE expression
[ticket/12671] Possibility to use NOT LIKE expression
[ticket/12671] Possibility to use NOT LIKE expression
[ticket/12671] Possibility to use NOT LIKE expression
[ticket/12941] Check for Sami parse errors on Travis CI.
* bantu/ticket/12941:
[ticket/12941] Fix remaining Sami complaints.
[ticket/12941] Check for Sami parse errors on Travis CI.
[ticket/12941] Add sami.conf.php for Travis CI.
[ticket/12718] Use remove_topic_from_statistic() for delete_topic
* dhruvgoel92/ticket/12718:
[ticket/12718] Use a separate variable for sql query
[ticket/12718] Fix spacing and type casting
[ticket/12718] Fix docblocks
[ticket/12718] Add tests to check user_posts on post deletion
[ticket/12718] Update docblock
[ticket/12718] Use remove_topic_from_statistic() for delete_topic
* github-nickvergessen/ticket/12710:
[ticket/12710] Fix missing closing bracket
[ticket/12710] Prefix column so it does not start with a number
[ticket/12710] Pass the original column data to the create function
[ticket/12710] Fix foreach generation
[ticket/12710] Compare to uppercase version
[ticket/12710] Do not try to match the uniqueness in the query
[ticket/12710] Remove table_name from index_name before deleting and recreating them
[ticket/12710] Can not use upper in oracles where claus
[ticket/12710] Correctly select index name and compare to column name
[ticket/12710] Fix "ORA-00972: identifier is too long [972]" on oracle
[ticket/12710] Fix problems with creating unique indexes on oracle
[ticket/12710] Correctly fetch unique and normal indexes only in MSSQL
[ticket/12710] Fix changing the column type on oracle
[ticket/12710] Prepare get_existing_indexes() for other DBMS
The method might now return an empty array in case of an empty users array,
too. The notification types then check if the returned array is empty and
return this if it is empty and if the notification types would otherwise
carry out other operations afterwards.
PHPBB3-12742
