Minor PHPDoc and return update.

Signed-off-by: Hugues Peccatte <hugues.peccatte@gmail.com>
Translated using Weblate (German)

Currently translated at 92.8% (2598 of 2797)
Translated using Weblate (Interlingua)

Currently translated at 50.8% (1422 of 2797)
Merge remote-tracking branch 'origin/master'
option to Make table consistent with central list of columns

Signed-off-by: Smita Kumari <kumarismita62@gmail.com>

make messages transtalable

Signed-off-by: Smita Kumari <kumarismita62@gmail.com>

Coding style fix

Signed-off-by: Smita Kumari <kumarismita62@gmail.com>

Make confirmation button options translatable

Signed-off-by: Smita Kumari <kumarismita62@gmail.com>
Merge pull request #1211 from smita786/gsoc_central_columns_list

option to Make table consistent with central list of columns
Fix typos

Signed-off-by: Marc Delisle <marc@infomarc.info>
Update po files
RFE-759 Use aliases in SQL export for tables and columns

Signed-off-by: Chirayu Chiripal <chirayu.chiripal@gmail.com>