[ticket/11345] Change font for buttons

Change font to Open Sans

PHPBB3-11345
[ticket/11345] Add Droid Sans as fallback font

PHPBB3-11345
[ticket/11345] Move css import to template

PHPBB3-11345
[ticket/11345] Wrap remote webfonts in S_ALLOW_CDN.

PHPBB3-11345
[feature/plupload/deps] Adding parts of plupload_1_5_7.zip

PHPBB3-10929
[feature/plupload/deps] Add information about Plupload to AUTHORS.

PHPBB3-10929
[ticket/11345] Don't include scheme, so HTTPS is used where necessary.

PHPBB3-11345
[ticket/11663] Make generate_text_for_storage return the errors.

generate_text_for_storage does not return anything, all returned values are outputted using the parameters so this uses the returned value with the same idea as many C language functions where the returned value is if all went well or not and if it didn't what went wrong.

PHPBB3-11663
[ticket/11663] Add the doc block about the return value.

generate_text_for_storage does not return anything, all returned values are outputted using the parameters so this uses the returned value with the same idea as many C language functions where the returned value is if all went well or not and if it didn't what went wrong.

PHPBB3-11663
[ticket/11663] Add the doc block about the parameters.

PHPBB3-11663
[ticket/11621] Remove mysql extra indexes

Remove post_text index as post_content index is sufficient to search post
text.

PHPBB3-11621
[task/composer-compatibility] Minor changes that will break extension BC

PHPBB3-11840
[ticket/11840] Fix regex

PHPBB3-11840
[ticket/11840] Use generic information in the test extension

Not sure why I had my name/info in these files...

PHPBB3-11840
[ticket/11840] Correct Moo test extension composer

PHPBB3-11840
Merge pull request #1742 from EXreaction/ticket/11840

Ticket/11840 Refactor the extension metadata class
[ticket/11885] Add migration files for 3.0.12-RC2 and RC3 and 3.0.12

PHPBB3-11885
[ticket/11885] Fix migration files for 3.0.12

PHPBB3-11885
[ticket/11885] Use conditional in update_data()

PHPBB3-11885
Merge pull request #1749 from imkingdavid/ticket/11885

[ticket/11885] Add migration files for 3.0.12-RC2 and RC3 and 3.0.12