add dutch translation
change translation
Use correct line-endings
Fixed some typo's (WIP)
Merge branch 'master' into multiple-fixes

Conflicts:
	composer.lock
	install/engine/step_7.php
Bugfix: don't reassign values when passing them to Akismet.
Massive cleanup

* Fixed PHPDoc
* Removed unused vars/properties/...
* Removed useless comments
Fixed issues with variables that aren't defined always.
Merge branch 'master' into multiple-fixes
Merge branch 'master' into multiple-fixes
{} in favor of new Object.
[] in favor of new Array()
Better JS
Correct empty lines.
Some left over Array-stuff
Declared missing fields.
Code cleanup
Mailmotor: bugfix: use correct path to mailmotor.
Mailmotor: after an output the exection of the method should be stopped.
Upgraded Highcharts to 3.0.2