[TYPO3-core] RFC #16258: Feature: Add Khmer language to TYPO3 core

[Keo Visay]

This is an SVN patch request.

Type: New feature

Bugtracker references: http://bugs.typo3.org/view.php?id=16258

Branches: trunk

Problem: Khmer language is not yet part of the core

Solution: Make changes to the core files to add "km" to the TYPO3 
language in the same way as 
http://forge.typo3.org/projects/typo3v4-core/repository/revisions/2486