removed obsolete vendor prefixes (and fixed broken gradients)

removed very old left overs from IE7 (and even IE6) support

less prominent styling of size changes

reusing the diff colors as suggested by @selfthinker

translation update

copied language files from authmysql

translation update

add conf as global

restoring of mediafiles failed

translation update

translation update

another tiny tab CSS addition

missed a line in my last commit

minor change to make tabs more flexible

This makes it easier to create tabs with an active tab (no need for
additional markup)

styled size changes

translation update

adjusted for scrutinizer hints

first go at using reflection for remote export

Fixes for the FR translation

A few fixes.

obfuscate auth passwords in config. fixes #1487

we already do it for other passwords, so it makes sense to do it here as
well.

obfuscate password in config #1487

removed accidentally checked in function

this was an intermediate woriking state but got replaced by indivdual
dump skipping. forgot to remove it again

changed tests to use a data provider

this allows for each dump being run within its own test case which then
can be skipped. This is needed to skip the django test on older PHP
versions.

removed another new feature from the postgres dump

remove postgres 9.3+ feature from dump

this hopefully fixes the tests on travis

removed unnecessary travis file

added a postgres example database to the tests

add support for new Django hashing methods

New Python Django application default to PBKDF2 with SHA256 as a
password mechanism. This adds support for that mechanism in our
password hasher class. Thi

add support for new Django hashing methods

New Python Django application default to PBKDF2 with SHA256 as a
password mechanism. This adds support for that mechanism in our
password hasher class. This will be needed in the tests for the new
PDO auth plugin.

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